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30/1.4 (Note: The average and the standard deviation of the data are respectively 3272.8 g and 480.82 g.) Use a 1% significance level to test the claim that the standard deviation of birthweights of girls is less than the standard deviation of birthweights of bovs, which is 520 g.

30/1.4 (Note: The average and the standard deviation of the data are respectively 3272.8 g and 480.82 g.) Use a 1% significance level to test the claim that the standard deviation of birthweights of girls is less than the standard deviation of birthweights of bovs, which is 520 g.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A sample of birth weights of 30 girls was taken. Below are the results (in g): 3813.4 3865.6 3640.6 3960.9 3344.1 3731.1 3764.6 2590.2 3548.2 2991.3 3116.1 2803 3202.7 2893.8 3606.7 3434.1 3595.8 2911.2 2916.3 2955.6 2833.1 1958 2942 3737.8 2713.4 3962.3 3099.7 3013.2 3568.8 3671.4 (Note: The average and the standard deviation of the data are respectively 3272.8 g and 480.82 g.) Use a 1% significance level to test the claim that the standard deviation of birthweights of girls is less than the standard deviation of birthweights of boys, which is 520 g. Procedure: One variance y Hypothesis Test v Assumptions: (select everything that applies) Population standard deviation is unknown Normal population | Sample size is greater than 30 Population standard deviation is known | Simple random sample | The number of positive and negative responses are both greater than 10 Simple random sample Normal population Population standard deviation is unknown Part 2 of 5 Step 1. Hypotheses Set-Up: where| and the units are ? is the Select an answer Ho: Select an answer Ha: Select an answer and the test is Select an answer V Step 2. The significance level a =
Transcribed Image Text:A sample of birth weights of 30 girls was taken. Below are the results (in g): 3813.4 3865.6 3640.6 3960.9 3344.1 3731.1 3764.6 2590.2 3548.2 2991.3 3116.1 2803 3202.7 2893.8 3606.7 3434.1 3595.8 2911.2 2916.3 2955.6 2833.1 1958 2942 3737.8 2713.4 3962.3 3099.7 3013.2 3568.8 3671.4 (Note: The average and the standard deviation of the data are respectively 3272.8 g and 480.82 g.) Use a 1% significance level to test the claim that the standard deviation of birthweights of girls is less than the standard deviation of birthweights of boys, which is 520 g. Procedure: One variance y Hypothesis Test v Assumptions: (select everything that applies) Population standard deviation is unknown Normal population | Sample size is greater than 30 Population standard deviation is known | Simple random sample | The number of positive and negative responses are both greater than 10 Simple random sample Normal population Population standard deviation is unknown Part 2 of 5 Step 1. Hypotheses Set-Up: where| and the units are ? is the Select an answer Ho: Select an answer Ha: Select an answer and the test is Select an answer V Step 2. The significance level a =
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