{"id":2072,"date":"2022-01-26T22:17:58","date_gmt":"2022-01-26T22:17:58","guid":{"rendered":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/?post_type=chapter&p=2072"},"modified":"2022-02-09T20:48:23","modified_gmt":"2022-02-09T20:48:23","slug":"15c","status":"publish","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/chapter\/15c\/","title":{"raw":"15C","rendered":"15C"},"content":{"raw":"\r\n\r\n\r\n\r\n\r\n
<\/td>\r\nOn-Time Flights<\/strong><\/td>\r\nDelayed Flights<\/strong><\/td>\r\nCanceled Flights<\/strong><\/td>\r\nDiverted Flights<\/strong><\/td>\r\nTotal<\/strong><\/td>\r\n<\/tr>\r\n
Delta Airlines<\/strong><\/td>\r\n12,716<\/td>\r\n904<\/td>\r\n23<\/td>\r\n8<\/td>\r\n13,651<\/td>\r\n<\/tr>\r\n
Southwest Airlines<\/strong><\/td>\r\n2,240<\/td>\r\n299<\/td>\r\n22<\/td>\r\n1<\/td>\r\n2,562<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n\r\n\r\n\r\n\r\n
<\/td>\r\nOn-Time Percentage Flights<\/strong><\/td>\r\nDelayed Percentage Flights<\/strong><\/td>\r\nCanceled Percentage Flights<\/strong><\/td>\r\nDiverted Percentage Flights<\/strong><\/td>\r\nTotal<\/strong><\/td>\r\n<\/tr>\r\n
Delta Airlines<\/strong><\/td>\r\n93.15%<\/td>\r\n6.62%<\/td>\r\n0.17%<\/td>\r\n0.06%<\/td>\r\n100%<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n\r\n\r\n\r\n\r\n
<\/td>\r\nOn-Time Percentage Flights<\/strong><\/td>\r\nDelayed Percentage Flights<\/strong><\/td>\r\nCanceled Percentage Flights<\/strong><\/td>\r\nDiverted Percentage Flights<\/strong><\/td>\r\nTotal<\/strong><\/td>\r\n<\/tr>\r\n
Southwest Airlines<\/strong><\/td>\r\n<\/td>\r\n<\/td>\r\n<\/td>\r\n<\/td>\r\n100%<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n\r\n\r\n\r\n\r\n
<\/td>\r\nOn-Time Percentage Flights<\/strong><\/td>\r\nDelayed Percentage Flights<\/strong><\/td>\r\nCanceled Percentage Flights<\/strong><\/td>\r\nDiverted Percentage Flights<\/strong><\/td>\r\nTotal<\/strong><\/td>\r\n<\/tr>\r\n
Overall<\/strong><\/td>\r\n92.246962%<\/td>\r\n<\/td>\r\n<\/td>\r\n<\/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
<\/td>\r\nExpected On-Time Flights<\/strong><\/td>\r\nExpected Delayed Flights<\/strong><\/td>\r\nExpected Canceled Flights<\/strong><\/td>\r\nExpected Diverted Flights<\/strong><\/td>\r\nTotal Flights<\/strong><\/td>\r\n<\/tr>\r\n
Delta Airlines<\/strong><\/td>\r\n12,592.633<\/td>\r\n<\/td>\r\n<\/td>\r\n<\/td>\r\n13,651<\/td>\r\n<\/tr>\r\n
Southwest Airlines<\/strong><\/td>\r\n2,363.367<\/td>\r\n<\/td>\r\n<\/td>\r\n<\/td>\r\n2,562<\/td>\r\n<\/tr>\r\n
Total Flights<\/strong><\/td>\r\n14,956<\/td>\r\n1,203<\/td>\r\n45<\/td>\r\n9<\/td>\r\n16,213<\/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
<\/td>\r\nOn-Time Flights<\/strong><\/td>\r\nDelayed Flights<\/strong><\/td>\r\nCanceled Flights<\/strong><\/td>\r\nDiverted Flights<\/strong><\/td>\r\nTotal<\/strong><\/td>\r\n<\/tr>\r\n
American Airlines<\/strong><\/td>\r\n42,600<\/td>\r\n4,657<\/td>\r\n296<\/td>\r\n95<\/td>\r\n47,648<\/td>\r\n<\/tr>\r\n
Delta Airlines<\/strong><\/td>\r\n51,620<\/td>\r\n4,030<\/td>\r\n150<\/td>\r\n56<\/td>\r\n55,856<\/td>\r\n<\/tr>\r\n
Southwest Airlines<\/strong><\/td>\r\n69,384<\/td>\r\n9,280<\/td>\r\n1,782<\/td>\r\n128<\/td>\r\n80,574<\/td>\r\n<\/tr>\r\n
Total <\/strong><\/td>\r\n163,604<\/td>\r\n17,967<\/td>\r\n2,228<\/td>\r\n279<\/td>\r\n184,078<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n\r\n\r\n\r\n\r\n
<\/td>\r\nStandardized Residual for On-time Flights<\/strong><\/td>\r\nStandardized Residual for Delayed Flights<\/strong><\/td>\r\nStandardized Residual for Canceled Flights<\/strong><\/td>\r\nStandardized Residual for Diverted Flights<\/strong><\/td>\r\n<\/tr>\r\n
Delta Airlines<\/strong><\/td>\r\n31.9<\/td>\r\n<\/td>\r\n<\/td>\r\n<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n\r\n\r\n\r\n\r\n
<\/td>\r\nStandardized Residual for On-time Flights<\/strong><\/td>\r\nStandardized Residual for Delayed Flights<\/strong><\/td>\r\nStandardized Residual for Canceled Flights<\/strong><\/td>\r\nStandardized Residual for Diverted Flights<\/strong><\/td>\r\n<\/tr>\r\n
Southwest Airlines<\/strong><\/td>\r\n33.3<\/td>\r\n<\/td>\r\n<\/td>\r\n<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n\r\n\r\n\r\n\r\n\r\n\r\n
<\/td>\r\nOn-Time Flights<\/strong><\/td>\r\nDelayed Flights<\/strong><\/td>\r\nCanceled Flights<\/strong><\/td>\r\nDiverted Flights<\/strong><\/td>\r\n<\/tr>\r\n
American Airlines<\/strong><\/td>\r\n378<\/td>\r\n48<\/td>\r\n1<\/td>\r\n0<\/td>\r\n<\/tr>\r\n
Delta Airlines<\/strong><\/td>\r\n12,716<\/td>\r\n904<\/td>\r\n23<\/td>\r\n8<\/td>\r\n<\/tr>\r\n
Southwest Airlines<\/strong><\/td>\r\n2,240<\/td>\r\n299<\/td>\r\n22<\/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
<\/td>\r\nGood<\/strong><\/td>\r\nFair<\/strong><\/td>\r\nPoor<\/strong><\/td>\r\n<\/tr>\r\n
New Jersey<\/strong><\/td>\r\n26<\/td>\r\n87<\/td>\r\n7<\/td>\r\n<\/tr>\r\n
New York<\/strong><\/td>\r\n71<\/td>\r\n136<\/td>\r\n13<\/td>\r\n<\/tr>\r\n
Pennsylvania<\/strong><\/td>\r\n57<\/td>\r\n158<\/td>\r\n15<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n\r\n\r\n\r\n\r\n\r\n\r\n
<\/td>\r\nGood<\/strong><\/td>\r\nFair<\/strong><\/td>\r\nPoor<\/strong><\/td>\r\n<\/tr>\r\n
Arkansas<\/strong><\/td>\r\n92<\/td>\r\n93<\/td>\r\n5<\/td>\r\n<\/tr>\r\n
Missouri<\/strong><\/td>\r\n78<\/td>\r\n134<\/td>\r\n8<\/td>\r\n<\/tr>\r\n
Oklahoma<\/strong><\/td>\r\n110<\/td>\r\n87<\/td>\r\n5<\/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
<\/td>\r\nOn-Time Flights<\/strong><\/td>\r\nDelayed Flights<\/strong><\/td>\r\nCanceled Flights<\/strong><\/td>\r\nDiverted Flights<\/strong><\/td>\r\nTotal<\/strong><\/td>\r\n<\/tr>\r\n
American Airlines<\/strong><\/td>\r\n42,600<\/td>\r\n4,657<\/td>\r\n296<\/td>\r\n95<\/td>\r\n47,648<\/td>\r\n<\/tr>\r\n
Delta Airlines<\/strong><\/td>\r\n51,620<\/td>\r\n4,030<\/td>\r\n150<\/td>\r\n56<\/td>\r\n55,856<\/td>\r\n<\/tr>\r\n
Southwest Airlines<\/strong><\/td>\r\n69,384<\/td>\r\n9,280<\/td>\r\n1,782<\/td>\r\n128<\/td>\r\n80,574<\/td>\r\n<\/tr>\r\n
Total <\/strong><\/td>\r\n163,604<\/td>\r\n17,967<\/td>\r\n2,228<\/td>\r\n279<\/td>\r\n184,078<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n
\r\n\r\n\r\n\r\n\r\n
<\/td>\r\nPercentage On-Time Flights<\/strong><\/td>\r\nPercentage Delayed Flights<\/strong><\/td>\r\nPercentage Canceled Flights<\/strong><\/td>\r\nPercentage Diverted Flights<\/strong><\/td>\r\nTotal<\/strong><\/td>\r\n<\/tr>\r\n
American Airlines<\/strong><\/td>\r\n<\/td>\r\n<\/td>\r\n<\/td>\r\n<\/td>\r\n<\/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
<\/td>\r\nPercentage On-Time Flights<\/strong><\/td>\r\nPercentage Delayed Flights<\/strong><\/td>\r\nPercentage Canceled Flights<\/strong><\/td>\r\nPercentage Diverted Flights<\/strong><\/td>\r\nTotal<\/strong><\/td>\r\n<\/tr>\r\n
American Airlines<\/strong><\/td>\r\n89.4%<\/td>\r\n9.8%<\/td>\r\n0.6%<\/td>\r\n0.2%<\/td>\r\n100%<\/td>\r\n<\/tr>\r\n
Delta Airlines<\/strong><\/td>\r\n<\/td>\r\n<\/td>\r\n<\/td>\r\n<\/td>\r\n<\/td>\r\n<\/tr>\r\n
Southwest Airlines<\/strong><\/td>\r\n<\/td>\r\n<\/td>\r\n<\/td>\r\n<\/td>\r\n<\/td>\r\n<\/tr>\r\n
Overall <\/strong><\/td>\r\n<\/td>\r\n<\/td>\r\n<\/td>\r\n<\/td>\r\n<\/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
<\/td>\r\nExpected Count of On-time Flights<\/strong><\/td>\r\n<\/tr>\r\n
American Airlines<\/strong><\/td>\r\n42,348.4<\/td>\r\n<\/tr>\r\n
Delta Airlines<\/strong><\/td>\r\n<\/td>\r\n<\/tr>\r\n
Southwest Airlines<\/strong><\/td>\r\n<\/td>\r\n<\/tr>\r\n
Total <\/strong><\/td>\r\n<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n\r\n\r\n\r\n\r\n
<\/td>\r\nExpected On-Time Flights<\/strong><\/td>\r\nExpected Delayed Flights<\/strong><\/td>\r\nExpected Canceled Flights<\/strong><\/td>\r\nExpected Diverted Flights<\/strong><\/td>\r\nTotal Flights<\/strong><\/td>\r\n<\/tr>\r\n
American Airlines<\/strong><\/td>\r\n42,348.4<\/td>\r\n<\/td>\r\n<\/td>\r\n<\/td>\r\n47,648<\/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
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 purpose of a chi-square test of homogeneity.<\/td>\r\n1, 2<\/td>\r\n<\/td>\r\n<\/tr>\r\n
Identify the null and alternative hypotheses for a chi-square test of homogeneity.<\/td>\r\n3<\/td>\r\n<\/td>\r\n<\/tr>\r\n
Determine the expected count for each cell of a two-way table for a chi-square test of homogeneity.<\/td>\r\n4, 5<\/td>\r\n<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n
Glossary<\/dl>\r\n
\r\n \t
two-way table<\/dt>\r\n \t
a table giving the counts for each value of the distributions of a categorical variable for multiple populations, also called a\u00a0contingency table<\/strong>.<\/dd>\r\n<\/dl>\r\n
\r\n \t
expected count<\/dt>\r\n \t
the number of the variable that we expect.<\/dd>\r\n<\/dl>\r\n
\r\n \t
standardized residuals<\/dt>\r\n \t
values that standardize the residuals so that if the null hypothesis is assumed to be true, they can be interpreted as normal z-scores; also sometimes called\u00a0Standardized Pearson Residuals<\/strong>.<\/dd>\r\n<\/dl>\r\n
\r\n \t
chi-squared test of homogeneity<\/dt>\r\n \t
a test that compares distributions of one categorical variable for multiple populations.<\/dd>\r\n<\/dl>\r\n<\/div>\r\n<\/div>","rendered":"\n\n\n\n\n
<\/td>\nOn-Time Flights<\/strong><\/td>\nDelayed Flights<\/strong><\/td>\nCanceled Flights<\/strong><\/td>\nDiverted Flights<\/strong><\/td>\nTotal<\/strong><\/td>\n<\/tr>\n
Delta Airlines<\/strong><\/td>\n12,716<\/td>\n904<\/td>\n23<\/td>\n8<\/td>\n13,651<\/td>\n<\/tr>\n
Southwest Airlines<\/strong><\/td>\n2,240<\/td>\n299<\/td>\n22<\/td>\n1<\/td>\n2,562<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n
<\/td>\nOn-Time Percentage Flights<\/strong><\/td>\nDelayed Percentage Flights<\/strong><\/td>\nCanceled Percentage Flights<\/strong><\/td>\nDiverted Percentage Flights<\/strong><\/td>\nTotal<\/strong><\/td>\n<\/tr>\n
Delta Airlines<\/strong><\/td>\n93.15%<\/td>\n6.62%<\/td>\n0.17%<\/td>\n0.06%<\/td>\n100%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n
<\/td>\nOn-Time Percentage Flights<\/strong><\/td>\nDelayed Percentage Flights<\/strong><\/td>\nCanceled Percentage Flights<\/strong><\/td>\nDiverted Percentage Flights<\/strong><\/td>\nTotal<\/strong><\/td>\n<\/tr>\n
Southwest Airlines<\/strong><\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n100%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n
<\/td>\nOn-Time Percentage Flights<\/strong><\/td>\nDelayed Percentage Flights<\/strong><\/td>\nCanceled Percentage Flights<\/strong><\/td>\nDiverted Percentage Flights<\/strong><\/td>\nTotal<\/strong><\/td>\n<\/tr>\n
Overall<\/strong><\/td>\n92.246962%<\/td>\n<\/td>\n<\/td>\n<\/td>\n100%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n
<\/td>\nExpected On-Time Flights<\/strong><\/td>\nExpected Delayed Flights<\/strong><\/td>\nExpected Canceled Flights<\/strong><\/td>\nExpected Diverted Flights<\/strong><\/td>\nTotal Flights<\/strong><\/td>\n<\/tr>\n
Delta Airlines<\/strong><\/td>\n12,592.633<\/td>\n<\/td>\n<\/td>\n<\/td>\n13,651<\/td>\n<\/tr>\n
Southwest Airlines<\/strong><\/td>\n2,363.367<\/td>\n<\/td>\n<\/td>\n<\/td>\n2,562<\/td>\n<\/tr>\n
Total Flights<\/strong><\/td>\n14,956<\/td>\n1,203<\/td>\n45<\/td>\n9<\/td>\n16,213<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n
<\/td>\nOn-Time Flights<\/strong><\/td>\nDelayed Flights<\/strong><\/td>\nCanceled Flights<\/strong><\/td>\nDiverted Flights<\/strong><\/td>\nTotal<\/strong><\/td>\n<\/tr>\n
American Airlines<\/strong><\/td>\n42,600<\/td>\n4,657<\/td>\n296<\/td>\n95<\/td>\n47,648<\/td>\n<\/tr>\n
Delta Airlines<\/strong><\/td>\n51,620<\/td>\n4,030<\/td>\n150<\/td>\n56<\/td>\n55,856<\/td>\n<\/tr>\n
Southwest Airlines<\/strong><\/td>\n69,384<\/td>\n9,280<\/td>\n1,782<\/td>\n128<\/td>\n80,574<\/td>\n<\/tr>\n
Total <\/strong><\/td>\n163,604<\/td>\n17,967<\/td>\n2,228<\/td>\n279<\/td>\n184,078<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n
<\/td>\nStandardized Residual for On-time Flights<\/strong><\/td>\nStandardized Residual for Delayed Flights<\/strong><\/td>\nStandardized Residual for Canceled Flights<\/strong><\/td>\nStandardized Residual for Diverted Flights<\/strong><\/td>\n<\/tr>\n
Delta Airlines<\/strong><\/td>\n31.9<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n
<\/td>\nStandardized Residual for On-time Flights<\/strong><\/td>\nStandardized Residual for Delayed Flights<\/strong><\/td>\nStandardized Residual for Canceled Flights<\/strong><\/td>\nStandardized Residual for Diverted Flights<\/strong><\/td>\n<\/tr>\n
Southwest Airlines<\/strong><\/td>\n33.3<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n
<\/td>\nOn-Time Flights<\/strong><\/td>\nDelayed Flights<\/strong><\/td>\nCanceled Flights<\/strong><\/td>\nDiverted Flights<\/strong><\/td>\n<\/tr>\n
American Airlines<\/strong><\/td>\n378<\/td>\n48<\/td>\n1<\/td>\n0<\/td>\n<\/tr>\n
Delta Airlines<\/strong><\/td>\n12,716<\/td>\n904<\/td>\n23<\/td>\n8<\/td>\n<\/tr>\n
Southwest Airlines<\/strong><\/td>\n2,240<\/td>\n299<\/td>\n22<\/td>\n1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n
<\/td>\nGood<\/strong><\/td>\nFair<\/strong><\/td>\nPoor<\/strong><\/td>\n<\/tr>\n
New Jersey<\/strong><\/td>\n26<\/td>\n87<\/td>\n7<\/td>\n<\/tr>\n
New York<\/strong><\/td>\n71<\/td>\n136<\/td>\n13<\/td>\n<\/tr>\n
Pennsylvania<\/strong><\/td>\n57<\/td>\n158<\/td>\n15<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n
<\/td>\nGood<\/strong><\/td>\nFair<\/strong><\/td>\nPoor<\/strong><\/td>\n<\/tr>\n
Arkansas<\/strong><\/td>\n92<\/td>\n93<\/td>\n5<\/td>\n<\/tr>\n
Missouri<\/strong><\/td>\n78<\/td>\n134<\/td>\n8<\/td>\n<\/tr>\n
Oklahoma<\/strong><\/td>\n110<\/td>\n87<\/td>\n5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n
<\/td>\nOn-Time Flights<\/strong><\/td>\nDelayed Flights<\/strong><\/td>\nCanceled Flights<\/strong><\/td>\nDiverted Flights<\/strong><\/td>\nTotal<\/strong><\/td>\n<\/tr>\n
American Airlines<\/strong><\/td>\n42,600<\/td>\n4,657<\/td>\n296<\/td>\n95<\/td>\n47,648<\/td>\n<\/tr>\n
Delta Airlines<\/strong><\/td>\n51,620<\/td>\n4,030<\/td>\n150<\/td>\n56<\/td>\n55,856<\/td>\n<\/tr>\n
Southwest Airlines<\/strong><\/td>\n69,384<\/td>\n9,280<\/td>\n1,782<\/td>\n128<\/td>\n80,574<\/td>\n<\/tr>\n
Total <\/strong><\/td>\n163,604<\/td>\n17,967<\/td>\n2,228<\/td>\n279<\/td>\n184,078<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n\n\n\n\n
<\/td>\nPercentage On-Time Flights<\/strong><\/td>\nPercentage Delayed Flights<\/strong><\/td>\nPercentage Canceled Flights<\/strong><\/td>\nPercentage Diverted Flights<\/strong><\/td>\nTotal<\/strong><\/td>\n<\/tr>\n
American Airlines<\/strong><\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n
<\/td>\nPercentage On-Time Flights<\/strong><\/td>\nPercentage Delayed Flights<\/strong><\/td>\nPercentage Canceled Flights<\/strong><\/td>\nPercentage Diverted Flights<\/strong><\/td>\nTotal<\/strong><\/td>\n<\/tr>\n
American Airlines<\/strong><\/td>\n89.4%<\/td>\n9.8%<\/td>\n0.6%<\/td>\n0.2%<\/td>\n100%<\/td>\n<\/tr>\n
Delta Airlines<\/strong><\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
Southwest Airlines<\/strong><\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
Overall <\/strong><\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n
<\/td>\nExpected Count of On-time Flights<\/strong><\/td>\n<\/tr>\n
American Airlines<\/strong><\/td>\n42,348.4<\/td>\n<\/tr>\n
Delta Airlines<\/strong><\/td>\n<\/td>\n<\/tr>\n
Southwest Airlines<\/strong><\/td>\n<\/td>\n<\/tr>\n
Total <\/strong><\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n
<\/td>\nExpected On-Time Flights<\/strong><\/td>\nExpected Delayed Flights<\/strong><\/td>\nExpected Canceled Flights<\/strong><\/td>\nExpected Diverted Flights<\/strong><\/td>\nTotal Flights<\/strong><\/td>\n<\/tr>\n
American Airlines<\/strong><\/td>\n42,348.4<\/td>\n<\/td>\n<\/td>\n<\/td>\n47,648<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\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 purpose of a chi-square test of homogeneity.<\/td>\n1, 2<\/td>\n<\/td>\n<\/tr>\n
Identify the null and alternative hypotheses for a chi-square test of homogeneity.<\/td>\n3<\/td>\n<\/td>\n<\/tr>\n
Determine the expected count for each cell of a two-way table for a chi-square test of homogeneity.<\/td>\n4, 5<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
<\/dl>\n
\n
two-way table<\/dt>\n
a table giving the counts for each value of the distributions of a categorical variable for multiple populations, also called a\u00a0contingency table<\/strong>.<\/dd>\n<\/dl>\n
\n
expected count<\/dt>\n
the number of the variable that we expect.<\/dd>\n<\/dl>\n
\n
standardized residuals<\/dt>\n
values that standardize the residuals so that if the null hypothesis is assumed to be true, they can be interpreted as normal z-scores; also sometimes called\u00a0Standardized Pearson Residuals<\/strong>.<\/dd>\n<\/dl>\n
\n
chi-squared test of homogeneity<\/dt>\n
a test that compares distributions of one categorical variable for multiple populations.<\/dd>\n<\/dl>\n<\/div>\n<\/div>\n","protected":false},"author":23592,"menu_order":52,"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-2072","chapter","type-chapter","status-publish","hentry"],"part":704,"_links":{"self":[{"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/pressbooks\/v2\/chapters\/2072","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\/2072\/revisions"}],"predecessor-version":[{"id":2991,"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/pressbooks\/v2\/chapters\/2072\/revisions\/2991"}],"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\/2072\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/wp\/v2\/media?parent=2072"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/pressbooks\/v2\/chapter-type?post=2072"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/wp\/v2\/contributor?post=2072"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/lumen-danacenter-statsmockup\/wp-json\/wp\/v2\/license?post=2072"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}