The contingency table to the right shows counts of the types of gasoline bought during the week and during weekends. (a) Find the value of chi-squared and Cramer's V for this table. (b) Interpret these values. What do these tell you about the association in the table? (a) x² = (Round to two decimal places as needed.) Premium Plus Regular Total Weekday 124 96 469 689 Weekend 124 194 106 424 Total 248 290 575 1113 D

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter9: Solving Quadratic Functions
Section: Chapter Questions
Problem 4CA
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Question
The contingency table to the right shows counts of the types of
gasoline bought during the week and during weekends.
(a) Find the value of chi-squared and Cramer's V for this table.
(b) Interpret these values. What do these tell you about the
association in the table?
(a) x² = (Round to two decimal places as needed.)
Premium
Plus
Regular
Total
Weekday Weekend Total
124
124
248
96
194
290
469
106
689
424
575
1113
n
Transcribed Image Text:The contingency table to the right shows counts of the types of gasoline bought during the week and during weekends. (a) Find the value of chi-squared and Cramer's V for this table. (b) Interpret these values. What do these tell you about the association in the table? (a) x² = (Round to two decimal places as needed.) Premium Plus Regular Total Weekday Weekend Total 124 124 248 96 194 290 469 106 689 424 575 1113 n
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