Pearson chi-square test statistic using excel

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Reference no: EM132351173

Superman weakness (Observed)

Kryptonite exposure

Yes No Total
Yes 20 18 38

No 17 38 55

Superman weakness (Expected)

Kryptonite exposure Yes No

Yes 15.12 22.88

No 21.88 33.12

ho: Kryptonite exposure (yes/no) and weakness of Superman (yes/no) are independent

h1: Kryptonite exposure (yes/no) and weakness of Superman (yes/no) are not independent (I would choose this one b/c they are associated)

What is the p-value for the Pearson Chi-Square test statistic using Excel? (what is the excel formula please....need to know how to work it)

a. 0.054

b. 0.035

c. 0.450

Using this p-value for the calculated Pearson Chi-Square, what is the hypothesis decision for alpha = .05?

Reject the null hypothesis or

Fail to reject the null hypothesis

Reference no: EM132351173

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