A study was conducted to examine whether the proportion of females was the same for five groups (Groups A, B, C, D, and E) How many degrees of freedom would the 2 test statistic have when testing the hypothesis that the proportions in each group are all equal a 4 b 1 c 0 20 d 5 ...

A study was conducted to examine whether the proportion of females was the same for five groups

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Question:

A study was conducted to examine whether the proportion of females was the same for five groups (Groups A, B, C, D, and E). How many degrees of freedom would the χ2 test statistic have when testing the hypothesis that the proportions in each group are all equal?

a. 4

b. 1

c. 0.20

d. 5