The observed frequencies are provided in a contingency table of two categorical variables A and B. B1 B2 A1 A2 10 20 16 17 Using level of significance a = 0.05, test whether or not the variables are independent.

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The observed frequencies are provided in a contingency table of two categorical variables A and B.
B1
B2
A1
10
16
A2
20
17
Using level of significance a = 0.05, test whether or not the variables are independent.
Transcribed Image Text:The observed frequencies are provided in a contingency table of two categorical variables A and B. B1 B2 A1 10 16 A2 20 17 Using level of significance a = 0.05, test whether or not the variables are independent.
2
(d) Calculate X
X
data
Pod
.
data
(Round your answer to three decimal places.)
Transcribed Image Text:2 (d) Calculate X X data Pod . data (Round your answer to three decimal places.)
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