{"id":2078,"date":"2022-01-26T22:46:56","date_gmt":"2022-01-26T22:46:56","guid":{"rendered":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/?post_type=chapter&p=2078"},"modified":"2022-02-09T21:13:58","modified_gmt":"2022-02-09T21:13:58","slug":"15d","status":"publish","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/chapter\/15d\/","title":{"raw":"15D","rendered":"15D"},"content":{"raw":"
\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
<\/td>\r\nType of residence<\/strong><\/td>\r\n<\/td>\r\n<\/tr>\r\n
Urban<\/td>\r\nSuburban<\/td>\r\nRural<\/td>\r\nTotal<\/td>\r\n<\/tr>\r\n
Number of books read<\/strong><\/td>\r\nNone<\/td>\r\n133<\/td>\r\n144<\/td>\r\n81<\/td>\r\n358<\/td>\r\n<\/tr>\r\n
1\u20134<\/td>\r\n146<\/td>\r\n149<\/td>\r\n53<\/td>\r\n348<\/td>\r\n<\/tr>\r\n
5\u20139<\/td>\r\n76<\/td>\r\n74<\/td>\r\n33<\/td>\r\n183<\/td>\r\n<\/tr>\r\n
10+<\/td>\r\n194<\/td>\r\n216<\/td>\r\n76<\/td>\r\n486<\/td>\r\n<\/tr>\r\n
<\/td>\r\nTotal<\/td>\r\n549<\/td>\r\n583<\/td>\r\n243<\/td>\r\n1,375<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n
\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
<\/td>\r\n<\/td>\r\nUrban<\/td>\r\n<\/tr>\r\n
Number of books read<\/strong><\/td>\r\nNone<\/td>\r\n133<\/td>\r\n<\/tr>\r\n
1\u20134<\/td>\r\n146<\/td>\r\n<\/tr>\r\n
5\u20139<\/td>\r\n76<\/td>\r\n<\/tr>\r\n
10+<\/td>\r\n194<\/td>\r\n<\/tr>\r\n
Total<\/td>\r\n549<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
<\/td>\r\n<\/td>\r\nUrban<\/td>\r\n<\/tr>\r\n
Relative frequency of books read as a percentage<\/strong><\/td>\r\nNone<\/td>\r\n0.2423<\/td>\r\n<\/tr>\r\n
1\u20134<\/td>\r\n<\/td>\r\n<\/tr>\r\n
5\u20139<\/td>\r\n<\/td>\r\n<\/tr>\r\n
10+<\/td>\r\n<\/td>\r\n<\/tr>\r\n
Total<\/td>\r\n1<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n
<\/div>\r\n
<\/div>\r\n
\r\n
\r\n\r\n\r\n\r\n\r\n
<\/td>\r\n< $30,000<\/td>\r\n$30,000\u2013$74,999<\/td>\r\n$75,000 and up<\/td>\r\nTotal<\/td>\r\n<\/tr>\r\n
Post-Grad Degree<\/td>\r\n18.507<\/td>\r\n<\/td>\r\n<\/td>\r\n56<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Observed count proportion<\/strong><\/td>\r\nIncome level<\/strong><\/td>\r\n<\/tr>\r\n
<$30,000<\/td>\r\n$30,000\u2013$74,999<\/td>\r\n$75,000 and up<\/td>\r\nTotal<\/td>\r\n<\/tr>\r\n
Education level<\/strong><\/td>\r\nPost-Grad Degree<\/td>\r\n2<\/td>\r\n8<\/td>\r\n46<\/td>\r\n56\r\n\r\n0.04354588<\/td>\r\n<\/tr>\r\n
College Degree<\/td>\r\n39<\/td>\r\n113<\/td>\r\n202<\/td>\r\n354\r\n\r\n <\/td>\r\n<\/tr>\r\n
Some College<\/td>\r\n131<\/td>\r\n138<\/td>\r\n120<\/td>\r\n389\r\n\r\n <\/td>\r\n<\/tr>\r\n
HS Grad<\/td>\r\n175<\/td>\r\n129<\/td>\r\n65<\/td>\r\n369\r\n\r\n <\/td>\r\n<\/tr>\r\n
No HS Degree<\/td>\r\n78<\/td>\r\n32<\/td>\r\n8<\/td>\r\n118\r\n\r\n <\/td>\r\n<\/tr>\r\n
Total<\/td>\r\n425\r\n\r\n0.33048212<\/td>\r\n420\r\n\r\n <\/td>\r\n441\r\n\r\n <\/td>\r\n1,286\r\n\r\n1<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Number of books read<\/strong><\/td>\r\nNone<\/td>\r\n358<\/td>\r\n<\/tr>\r\n
1\u20134<\/td>\r\n348<\/td>\r\n<\/tr>\r\n
5\u20139<\/td>\r\n183<\/td>\r\n<\/tr>\r\n
10+<\/td>\r\n486<\/td>\r\n<\/tr>\r\n
Total<\/td>\r\n1,375<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Relative frequency of number of books read as a percentage<\/strong><\/td>\r\nNone<\/td>\r\n<\/td>\r\n<\/tr>\r\n
1\u20134<\/td>\r\n<\/td>\r\n<\/tr>\r\n
5\u20139<\/td>\r\n<\/td>\r\n<\/tr>\r\n
10+<\/td>\r\n<\/td>\r\n<\/tr>\r\n
Total<\/td>\r\n100%<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n
\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
<\/td>\r\nType of residence<\/strong><\/td>\r\n<\/td>\r\n<\/tr>\r\n
Urban<\/td>\r\nSuburban<\/td>\r\nRural<\/td>\r\nTotal<\/td>\r\n<\/tr>\r\n
Number of books read<\/strong><\/td>\r\nNone<\/td>\r\n133<\/td>\r\n144<\/td>\r\n81<\/td>\r\n358<\/td>\r\n<\/tr>\r\n
1\u20134<\/td>\r\n146<\/td>\r\n149<\/td>\r\n53<\/td>\r\n348<\/td>\r\n<\/tr>\r\n
5\u20139<\/td>\r\n76<\/td>\r\n74<\/td>\r\n33<\/td>\r\n183<\/td>\r\n<\/tr>\r\n
10+<\/td>\r\n194<\/td>\r\n216<\/td>\r\n76<\/td>\r\n486<\/td>\r\n<\/tr>\r\n
<\/td>\r\nTotal<\/td>\r\n549<\/td>\r\n583<\/td>\r\n243<\/td>\r\n1,375<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n
\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Relative frequency of number of books read as a percentage<\/strong><\/td>\r\nNone<\/td>\r\n0.26036364<\/td>\r\n<\/tr>\r\n
1\u20134<\/td>\r\n0.25309091<\/td>\r\n<\/tr>\r\n
5\u20139<\/td>\r\n0.13309091<\/td>\r\n<\/tr>\r\n
10+<\/td>\r\n0.35345455<\/td>\r\n<\/tr>\r\n
Total<\/td>\r\n1<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n
\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
<\/td>\r\n<\/td>\r\nObserved<\/strong><\/td>\r\nExpected<\/strong><\/td>\r\n<\/tr>\r\n
Number of books read by urban dwellers<\/strong><\/td>\r\nNone<\/td>\r\n133<\/td>\r\n142.940<\/td>\r\n<\/tr>\r\n
1\u20134<\/td>\r\n146<\/td>\r\n138.947<\/td>\r\n<\/tr>\r\n
5\u20139<\/td>\r\n76<\/td>\r\n73.067<\/td>\r\n<\/tr>\r\n
10+<\/td>\r\n194<\/td>\r\n194.046<\/td>\r\n<\/tr>\r\n
Total<\/td>\r\n549<\/td>\r\n549<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Count <\/strong><\/td>\r\nIncome level<\/strong><\/td>\r\n<\/tr>\r\n
< $30,000<\/td>\r\n$30,000\u2013$74,999<\/td>\r\n$75,000 and up<\/td>\r\nTotal<\/td>\r\n<\/tr>\r\n
Education level<\/strong><\/td>\r\nPost-Grad Degree<\/td>\r\n2<\/td>\r\n8<\/td>\r\n46<\/td>\r\n56<\/td>\r\n<\/tr>\r\n
College Degree<\/td>\r\n39<\/td>\r\n113<\/td>\r\n202<\/td>\r\n354<\/td>\r\n<\/tr>\r\n
Some College<\/td>\r\n131<\/td>\r\n138<\/td>\r\n120<\/td>\r\n389<\/td>\r\n<\/tr>\r\n
HS Grad<\/td>\r\n175<\/td>\r\n129<\/td>\r\n65<\/td>\r\n369<\/td>\r\n<\/tr>\r\n
No HS Degree<\/td>\r\n78<\/td>\r\n32<\/td>\r\n8<\/td>\r\n118<\/td>\r\n<\/tr>\r\n
Total<\/td>\r\n425<\/td>\r\n420<\/td>\r\n441<\/td>\r\n1,286<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n
\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
<\/td>\r\nType of residence<\/strong><\/td>\r\n<\/tr>\r\n
Urban<\/td>\r\nSuburban<\/td>\r\nRural<\/td>\r\n<\/tr>\r\n
Number of books read<\/strong><\/td>\r\nNone<\/td>\r\n133<\/td>\r\n144<\/td>\r\n81<\/td>\r\n<\/tr>\r\n
1\u20134<\/td>\r\n146<\/td>\r\n149<\/td>\r\n53<\/td>\r\n<\/tr>\r\n
5\u20139<\/td>\r\n76<\/td>\r\n74<\/td>\r\n33<\/td>\r\n<\/tr>\r\n
10+<\/td>\r\n194<\/td>\r\n216<\/td>\r\n76<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n
\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
<\/td>\r\nAge bracket<\/strong><\/td>\r\n<\/tr>\r\n
18\u201329<\/td>\r\n30\u201349<\/td>\r\n50\u201364<\/td>\r\n65+<\/td>\r\n<\/tr>\r\n
Device used to go online<\/strong><\/td>\r\nMostly Cell<\/td>\r\n179<\/td>\r\n231<\/td>\r\n100<\/td>\r\n42<\/td>\r\n<\/tr>\r\n
Mostly Other<\/td>\r\n64<\/td>\r\n94<\/td>\r\n122<\/td>\r\n67<\/td>\r\n<\/tr>\r\n
Equally\/Depends<\/td>\r\n53<\/td>\r\n124<\/td>\r\n63<\/td>\r\n34<\/td>\r\n<\/tr>\r\n
Non-Smartphone<\/td>\r\n13<\/td>\r\n38<\/td>\r\n78<\/td>\r\n136<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Count <\/strong><\/td>\r\nIncome level<\/strong><\/td>\r\n<\/tr>\r\n
<$30,000<\/td>\r\n$30,000\u2013$74,999<\/td>\r\n$75,000 and up<\/td>\r\nTotal<\/td>\r\n<\/tr>\r\n
Education level<\/strong><\/td>\r\nPost-Grad Degree<\/td>\r\n2<\/td>\r\n8<\/td>\r\n46<\/td>\r\n56<\/td>\r\n<\/tr>\r\n
College Degree<\/td>\r\n39<\/td>\r\n113<\/td>\r\n202<\/td>\r\n354<\/td>\r\n<\/tr>\r\n
Some College<\/td>\r\n131<\/td>\r\n138<\/td>\r\n120<\/td>\r\n389<\/td>\r\n<\/tr>\r\n
HS Grad<\/td>\r\n175<\/td>\r\n129<\/td>\r\n65<\/td>\r\n369<\/td>\r\n<\/tr>\r\n
No HS Degree<\/td>\r\n78<\/td>\r\n32<\/td>\r\n8<\/td>\r\n118<\/td>\r\n<\/tr>\r\n
Total<\/td>\r\n425<\/td>\r\n420<\/td>\r\n441<\/td>\r\n1,286<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
<\/td>\r\n< $30,000<\/td>\r\n<\/tr>\r\n
Post-Grad Degree<\/td>\r\n18.507<\/td>\r\n<\/tr>\r\n
College Degree<\/td>\r\n<\/td>\r\n<\/tr>\r\n
Some College<\/td>\r\n<\/td>\r\n<\/tr>\r\n
High School Degree<\/td>\r\n<\/td>\r\n<\/tr>\r\n
No High School Degree<\/td>\r\n<\/td>\r\n<\/tr>\r\n
Total<\/td>\r\n425<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n
\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Skill or Concept: I can . . .<\/td>\r\nQuestions to check your understanding<\/td>\r\nRating\r\nfrom 1 to 5<\/td>\r\n<\/tr>\r\n
Understand the difference between the chi-square test of homogeneity and the chi-square test of independence.<\/td>\r\n1<\/td>\r\n<\/td>\r\n<\/tr>\r\n
Understand what it means for two variables to be independent.<\/td>\r\n3\u20136<\/td>\r\n<\/td>\r\n<\/tr>\r\n
Identify the null and alternative hypotheses for a chi-square test of independence.<\/td>\r\n2<\/td>\r\n<\/td>\r\n<\/tr>\r\n
Find expected counts for the cells of the contingency table in a chi-square test of independence.<\/td>\r\n3\u20136<\/td>\r\n<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n
Glossary<\/dl>\r\n
\r\n \t
conditional distribution<\/dt>\r\n \t
the counts or the relative frequencies of one variable restricted to only that value of a second variable.<\/dd>\r\n<\/dl>\r\n
\r\n \t
marginal distribution<\/dt>\r\n \t
the distribution of one of the variables with no regard to the other variable whatsoever.<\/dd>\r\n<\/dl>\r\n
\r\n \t
lurking variable<\/dt>\r\n \t
a third variable not included in the study that impacts the values of both of the variables being considered.<\/dd>\r\n<\/dl>\r\n
\r\n \t
independent<\/dt>\r\n \t
knowing whether event B happens has no effect on how likely event A is to occur.<\/dd>\r\n<\/dl>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>","rendered":"
\n\n\n\n\n\n\n\n\n\n
<\/td>\nType of residence<\/strong><\/td>\n<\/td>\n<\/tr>\n
Urban<\/td>\nSuburban<\/td>\nRural<\/td>\nTotal<\/td>\n<\/tr>\n
Number of books read<\/strong><\/td>\nNone<\/td>\n133<\/td>\n144<\/td>\n81<\/td>\n358<\/td>\n<\/tr>\n
1\u20134<\/td>\n146<\/td>\n149<\/td>\n53<\/td>\n348<\/td>\n<\/tr>\n
5\u20139<\/td>\n76<\/td>\n74<\/td>\n33<\/td>\n183<\/td>\n<\/tr>\n
10+<\/td>\n194<\/td>\n216<\/td>\n76<\/td>\n486<\/td>\n<\/tr>\n
<\/td>\nTotal<\/td>\n549<\/td>\n583<\/td>\n243<\/td>\n1,375<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n\n\n\n\n\n\n\n\n
<\/td>\n<\/td>\nUrban<\/td>\n<\/tr>\n
Number of books read<\/strong><\/td>\nNone<\/td>\n133<\/td>\n<\/tr>\n
1\u20134<\/td>\n146<\/td>\n<\/tr>\n
5\u20139<\/td>\n76<\/td>\n<\/tr>\n
10+<\/td>\n194<\/td>\n<\/tr>\n
Total<\/td>\n549<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n\n
<\/td>\n<\/td>\nUrban<\/td>\n<\/tr>\n
Relative frequency of books read as a percentage<\/strong><\/td>\nNone<\/td>\n0.2423<\/td>\n<\/tr>\n
1\u20134<\/td>\n<\/td>\n<\/tr>\n
5\u20139<\/td>\n<\/td>\n<\/tr>\n
10+<\/td>\n<\/td>\n<\/tr>\n
Total<\/td>\n1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
<\/div>\n
<\/div>\n
\n
\n\n\n\n\n
<\/td>\n< $30,000<\/td>\n$30,000\u2013$74,999<\/td>\n$75,000 and up<\/td>\nTotal<\/td>\n<\/tr>\n
Post-Grad Degree<\/td>\n18.507<\/td>\n<\/td>\n<\/td>\n56<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n\n\n\n
Observed count proportion<\/strong><\/td>\nIncome level<\/strong><\/td>\n<\/tr>\n
<$30,000<\/td>\n$30,000\u2013$74,999<\/td>\n$75,000 and up<\/td>\nTotal<\/td>\n<\/tr>\n
Education level<\/strong><\/td>\nPost-Grad Degree<\/td>\n2<\/td>\n8<\/td>\n46<\/td>\n56<\/p>\n

0.04354588<\/td>\n<\/tr>\n

College Degree<\/td>\n39<\/td>\n113<\/td>\n202<\/td>\n354<\/p>\n

 <\/td>\n<\/tr>\n

Some College<\/td>\n131<\/td>\n138<\/td>\n120<\/td>\n389<\/p>\n

 <\/td>\n<\/tr>\n

HS Grad<\/td>\n175<\/td>\n129<\/td>\n65<\/td>\n369<\/p>\n

 <\/td>\n<\/tr>\n

No HS Degree<\/td>\n78<\/td>\n32<\/td>\n8<\/td>\n118<\/p>\n

 <\/td>\n<\/tr>\n

Total<\/td>\n425<\/p>\n

0.33048212<\/td>\n

420<\/p>\n

 <\/td>\n

441<\/p>\n

 <\/td>\n

1,286<\/p>\n

1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n\n\n\n\n\n\n
Number of books read<\/strong><\/td>\nNone<\/td>\n358<\/td>\n<\/tr>\n
1\u20134<\/td>\n348<\/td>\n<\/tr>\n
5\u20139<\/td>\n183<\/td>\n<\/tr>\n
10+<\/td>\n486<\/td>\n<\/tr>\n
Total<\/td>\n1,375<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n
Relative frequency of number of books read as a percentage<\/strong><\/td>\nNone<\/td>\n<\/td>\n<\/tr>\n
1\u20134<\/td>\n<\/td>\n<\/tr>\n
5\u20139<\/td>\n<\/td>\n<\/tr>\n
10+<\/td>\n<\/td>\n<\/tr>\n
Total<\/td>\n100%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n\n\n\n\n\n\n\n\n\n
<\/td>\nType of residence<\/strong><\/td>\n<\/td>\n<\/tr>\n
Urban<\/td>\nSuburban<\/td>\nRural<\/td>\nTotal<\/td>\n<\/tr>\n
Number of books read<\/strong><\/td>\nNone<\/td>\n133<\/td>\n144<\/td>\n81<\/td>\n358<\/td>\n<\/tr>\n
1\u20134<\/td>\n146<\/td>\n149<\/td>\n53<\/td>\n348<\/td>\n<\/tr>\n
5\u20139<\/td>\n76<\/td>\n74<\/td>\n33<\/td>\n183<\/td>\n<\/tr>\n
10+<\/td>\n194<\/td>\n216<\/td>\n76<\/td>\n486<\/td>\n<\/tr>\n
<\/td>\nTotal<\/td>\n549<\/td>\n583<\/td>\n243<\/td>\n1,375<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n\n\n\n\n\n\n\n
Relative frequency of number of books read as a percentage<\/strong><\/td>\nNone<\/td>\n0.26036364<\/td>\n<\/tr>\n
1\u20134<\/td>\n0.25309091<\/td>\n<\/tr>\n
5\u20139<\/td>\n0.13309091<\/td>\n<\/tr>\n
10+<\/td>\n0.35345455<\/td>\n<\/tr>\n
Total<\/td>\n1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n\n\n\n\n\n\n\n\n
<\/td>\n<\/td>\nObserved<\/strong><\/td>\nExpected<\/strong><\/td>\n<\/tr>\n
Number of books read by urban dwellers<\/strong><\/td>\nNone<\/td>\n133<\/td>\n142.940<\/td>\n<\/tr>\n
1\u20134<\/td>\n146<\/td>\n138.947<\/td>\n<\/tr>\n
5\u20139<\/td>\n76<\/td>\n73.067<\/td>\n<\/tr>\n
10+<\/td>\n194<\/td>\n194.046<\/td>\n<\/tr>\n
Total<\/td>\n549<\/td>\n549<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n\n\n\n\n\n\n\n
Count <\/strong><\/td>\nIncome level<\/strong><\/td>\n<\/tr>\n
< $30,000<\/td>\n$30,000\u2013$74,999<\/td>\n$75,000 and up<\/td>\nTotal<\/td>\n<\/tr>\n
Education level<\/strong><\/td>\nPost-Grad Degree<\/td>\n2<\/td>\n8<\/td>\n46<\/td>\n56<\/td>\n<\/tr>\n
College Degree<\/td>\n39<\/td>\n113<\/td>\n202<\/td>\n354<\/td>\n<\/tr>\n
Some College<\/td>\n131<\/td>\n138<\/td>\n120<\/td>\n389<\/td>\n<\/tr>\n
HS Grad<\/td>\n175<\/td>\n129<\/td>\n65<\/td>\n369<\/td>\n<\/tr>\n
No HS Degree<\/td>\n78<\/td>\n32<\/td>\n8<\/td>\n118<\/td>\n<\/tr>\n
Total<\/td>\n425<\/td>\n420<\/td>\n441<\/td>\n1,286<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n\n\n\n\n\n\n\n\n
<\/td>\nType of residence<\/strong><\/td>\n<\/tr>\n
Urban<\/td>\nSuburban<\/td>\nRural<\/td>\n<\/tr>\n
Number of books read<\/strong><\/td>\nNone<\/td>\n133<\/td>\n144<\/td>\n81<\/td>\n<\/tr>\n
1\u20134<\/td>\n146<\/td>\n149<\/td>\n53<\/td>\n<\/tr>\n
5\u20139<\/td>\n76<\/td>\n74<\/td>\n33<\/td>\n<\/tr>\n
10+<\/td>\n194<\/td>\n216<\/td>\n76<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\n\n\n\n\n\n\n\n\n
<\/td>\nAge bracket<\/strong><\/td>\n<\/tr>\n
18\u201329<\/td>\n30\u201349<\/td>\n50\u201364<\/td>\n65+<\/td>\n<\/tr>\n
Device used to go online<\/strong><\/td>\nMostly Cell<\/td>\n179<\/td>\n231<\/td>\n100<\/td>\n42<\/td>\n<\/tr>\n
Mostly Other<\/td>\n64<\/td>\n94<\/td>\n122<\/td>\n67<\/td>\n<\/tr>\n
Equally\/Depends<\/td>\n53<\/td>\n124<\/td>\n63<\/td>\n34<\/td>\n<\/tr>\n
Non-Smartphone<\/td>\n13<\/td>\n38<\/td>\n78<\/td>\n136<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n\n\n\n\n\n\n\n\n\n
Count <\/strong><\/td>\nIncome level<\/strong><\/td>\n<\/tr>\n
<$30,000<\/td>\n$30,000\u2013$74,999<\/td>\n$75,000 and up<\/td>\nTotal<\/td>\n<\/tr>\n
Education level<\/strong><\/td>\nPost-Grad Degree<\/td>\n2<\/td>\n8<\/td>\n46<\/td>\n56<\/td>\n<\/tr>\n
College Degree<\/td>\n39<\/td>\n113<\/td>\n202<\/td>\n354<\/td>\n<\/tr>\n
Some College<\/td>\n131<\/td>\n138<\/td>\n120<\/td>\n389<\/td>\n<\/tr>\n
HS Grad<\/td>\n175<\/td>\n129<\/td>\n65<\/td>\n369<\/td>\n<\/tr>\n
No HS Degree<\/td>\n78<\/td>\n32<\/td>\n8<\/td>\n118<\/td>\n<\/tr>\n
Total<\/td>\n425<\/td>\n420<\/td>\n441<\/td>\n1,286<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n\n\n
<\/td>\n< $30,000<\/td>\n<\/tr>\n
Post-Grad Degree<\/td>\n18.507<\/td>\n<\/tr>\n
College Degree<\/td>\n<\/td>\n<\/tr>\n
Some College<\/td>\n<\/td>\n<\/tr>\n
High School Degree<\/td>\n<\/td>\n<\/tr>\n
No High School Degree<\/td>\n<\/td>\n<\/tr>\n
Total<\/td>\n425<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n\n\n\n\n\n\n\n
Skill or Concept: I can . . .<\/td>\nQuestions to check your understanding<\/td>\nRating
\nfrom 1 to 5<\/td>\n<\/tr>\n
Understand the difference between the chi-square test of homogeneity and the chi-square test of independence.<\/td>\n1<\/td>\n<\/td>\n<\/tr>\n
Understand what it means for two variables to be independent.<\/td>\n3\u20136<\/td>\n<\/td>\n<\/tr>\n
Identify the null and alternative hypotheses for a chi-square test of independence.<\/td>\n2<\/td>\n<\/td>\n<\/tr>\n
Find expected counts for the cells of the contingency table in a chi-square test of independence.<\/td>\n3\u20136<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
<\/dl>\n
\n
conditional distribution<\/dt>\n
the counts or the relative frequencies of one variable restricted to only that value of a second variable.<\/dd>\n<\/dl>\n
\n
marginal distribution<\/dt>\n
the distribution of one of the variables with no regard to the other variable whatsoever.<\/dd>\n<\/dl>\n
\n
lurking variable<\/dt>\n
a third variable not included in the study that impacts the values of both of the variables being considered.<\/dd>\n<\/dl>\n
\n
independent<\/dt>\n
knowing whether event B happens has no effect on how likely event A is to occur.<\/dd>\n<\/dl>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"author":23592,"menu_order":53,"template":"","meta":{"_candela_citation":"[]","CANDELA_OUTCOMES_GUID":"","pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-2078","chapter","type-chapter","status-publish","hentry"],"part":704,"_links":{"self":[{"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/pressbooks\/v2\/chapters\/2078","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/wp\/v2\/users\/23592"}],"version-history":[{"count":3,"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/pressbooks\/v2\/chapters\/2078\/revisions"}],"predecessor-version":[{"id":2994,"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/pressbooks\/v2\/chapters\/2078\/revisions\/2994"}],"part":[{"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/pressbooks\/v2\/parts\/704"}],"metadata":[{"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/pressbooks\/v2\/chapters\/2078\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/wp\/v2\/media?parent=2078"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/pressbooks\/v2\/chapter-type?post=2078"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/wp\/v2\/contributor?post=2078"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/wp\/v2\/license?post=2078"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}