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. Weekday Weekend Total Premium 126 128 254 Plus 102 206 308 Regular 430 126 556 (b) Interpret these values. What do these tell you about the association in the table? Total 658 460 1118 ..... (a) x =(Round to two decimal places as needed.) %3D

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Question

4

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
Weekday
Weekend
Total
Premium
126
128
254
Plus
102
206
308
for this table.
Regular
430
126
556
(b) Interpret these values. What do these tell you
Total
658
460
1118
about the association in the table?
(a) x? =
(Round to two decimal places as needed.)
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 Weekday Weekend Total Premium 126 128 254 Plus 102 206 308 for this table. Regular 430 126 556 (b) Interpret these values. What do these tell you Total 658 460 1118 about the association in the table? (a) x? = (Round to two decimal places as needed.)
V=
(Round to two decimal places as needed.)
(b) Interpret the values from part (a). What do they indicate about the association?
Since
is
there is
association between the two variables.
Show transcribed image text
Transcribed Image Text:V= (Round to two decimal places as needed.) (b) Interpret the values from part (a). What do they indicate about the association? Since is there is association between the two variables. Show transcribed image text
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