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16 BSC Weights Listed below are weights (kg) of randomly

Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola ISBN: 9780321836960 18

Solution for problem 16BSC Chapter 9.5

Elementary Statistics | 12th Edition

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Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola

Elementary Statistics | 12th Edition

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Problem 16BSC

?16 BSC Weights ?Listed below are weights (kg) of randomly selected females and males taken from Data Set 1 in Appendix B. Use a 0.05 significance level to test the claim that males have weights with more variation than females. Female: 59.3 74.5 77.7 97.9 71.7 60.9 60.5 88.2 43.8 47.9 Male: 64.4 61.8 78.5 86.3 73.1 58.5 134.3 79.8 64.8 58.1

Step-by-Step Solution:

Solution 16 BSC Step 1 The given problem explain about weights of females and males . Then we have selected randomly females and males weights. From the given information we want to test the claim that males have weights with more variation than females. Here, first sample is males group because its standard deviation is larger and second sample is females group. Then hypothesis is H 0 =1 2 H 1 > 1 2 Where a1d ar2 the variance of population. Then the given data is Weight n1=10 Males : s1=22.6627 n2=10 Females : s2=17.0734

Step 2 of 2

Chapter 9.5, Problem 16BSC is Solved
Textbook: Elementary Statistics
Edition: 12
Author: Mario F. Triola
ISBN: 9780321836960

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16 BSC Weights Listed below are weights (kg) of randomly