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# 18 BSC use the indicated Data Sets from Appendix B. Assume ISBN: 9780321836960 18

## Solution for problem 18BSC Chapter 9.5

Elementary Statistics | 12th Edition

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Problem 18BSC

?18 BSC use the indicated Data Sets from Appendix B. Assume that both samples are independent simple random samples from populations having normal distributions. M and Ms Refer to Data Set 20 in Appendix B and use the weights (g) of the red M and Ms and the orange M and Ms. Use a 0.05 significance level to test the claim that the two samples are from populations with the same amount of variation.

Step-by-Step Solution:

Solution 18 BSC Step 1 The given problem explain about weights (g) of the red M and Ms and the orange M and Ms. We assume that both sample are independent simple random samples from populations having normal distributions. From the given information We want to test the claim the two samples are from populations with the same amount of variation. Here,first sample is Red M&Ms because its standard deviation is larger and second sample is Orange M&Ms . Then hypothesis is H 0 =1 2 H 1 = 1 / 2 Where and are the variance of population. 1 2 Then the given data is Weights of the n1=13 Red M&Ms : 1 =0.0576 n2=25 Orange M&Ms : s2=0.0501

Step 2 of 2

##### ISBN: 9780321836960

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