Exercise 11-26 Algo Round all intermediate calculations to at least 4 decimal pl

Question

Exercise 11-26 Algo Round all intermediate calculations to at least 4 decimal places.) Consider the following measures based on independently drawn samples from normally distributed populations Use Table 4 Sample 1: t 232, and n 1 : 210, and n2-9 Sample 2 a. Construct the 95% interval estimate for the ratio of the population variances (Round-F. value and final answers to 2 decimal places.) Confidence interval b Using the confidence interval from Part a, test if the ratio of the population variances differs from one at the 5% significance level Explain The 95% confidence interval (Click to select the value 1 Thus, we (Click to select conclude that the population variances differ at the 5% significance level. References eBook & Resources Worksheet Difficulty: 3 Hard Leaning Obj Exercise 11-26 Algo Learning Objective: 11-05 Construct a confidence interval for the ratio of two population Check roy wor

Explanation / Answer

The statistical software output for this problem is:

Two sample variance summary confidence interval:
12 : Variance of population 1
22 : Variance of population 2
12/22 : Ratio of two variances

95% confidence interval results:

Hence,

a) 95% confidence interval:

0.26 to 4.26

b) Contains; do not

Ratio Num. DF Den. DF Sample Ratio L. Limit U. Limit 12/22 10 8 1.1047619 0.25721286 4.2587366

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