Question

According to an article in Marketing News, fewer checks are being written at the grocery store checkout than in the past. To determine whether there is a difference in the proportion of shoppers who pay by check among three consecutive years at a 0.05 level of significance, the results of a survey of 500 shoppers in three consecutive years are obtained and presented below.

		Year
Check Written	Year 1	Year 2	Year 3
Yes	225	175	125
No	275	325	375

Referring to the above Table, what is the Chi- Square critical value?

Select one:

a. 3.453

b. 7.087

c. 4.211

d. 5.911

Answer 1

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