In Week 13 you may respond to the question below OR ask a question about materia

Question

In Week 13 you may respond to the question below OR ask a question about material from Ch8, CH9, or the Third Technology assignment. Review the Statdisk output and answer the following questions. Statdisk File Edit Analysis Data Datasets Window Help Hyp. Test: St. Dev. 4) Pop. St Dev not Claimed St Dev Significance Claimed St Dev 2.14 Sample Size, n: 13 Sample St Dev 2.79 0.10 SD not equal SD (hyp) Test Statistic, Chisq: 20.3968 Lower Critical Chisq: 5.226035 Upper Critical Chisq: 21.02609 P-Value 0.1199 90 Confidence interval: 2.107733SD

Explanation / Answer

1)
Standard deviation (chi-square)

2)
Test statistics = 20.3968

3)
Critical values are 5.226 and 21.026

4)
Critical region - tow tails

5)
p-value = 0.1199

6)
Test statistics lies outside the rejection region

7)
Fail to reject the null

8)
The data does not support the alternative

9)
There are not significant evidence to conclude that the there is difference in the standard deviation/variance of the two samples/populations

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