Use a 5% significance level to test the claim that the standard deviation of birthweights of girls is different from the standard deviation of birthweights of boys, which is 530 g.

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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For the procedure, the options are on the second screenshot. 

Please answer: Procedure, assumptions, and Step 1

3089.1
2554.3
4395.9
2857
2559
2923.7
3733
3634.4
3067.4
3659.1
3543.5
2271.5
3059.2
3647
3337.2
2438
3171.5
3432.4
2525.4
3165.5
2815
(Note: The average and the standard deviation of the data are respectively 3098.6 g and 605.65 g.)
Use a 5% significance level to test the claim that the standard deviation of birthweights of girls is different
from the standard deviation of birthweights of boys, which is 530 g.
Procedure: Select an answer
Assumption Select an answer
O Simp
One mean T Hypothesis Test
O The d
bonses are both greater than 10
O Norm
One proportion Z Hypothesis Test
O Popu
O Samg One mean Z Hypothesis Test
O Popu
One variance x Hypothesis Test
Step 1. Hypounese Jecop.
where ? is the
Select an answer
Họ: Select an answer
and the units are
H: Select an answer
and the test is Select an ansSwer v
Transcribed Image Text:3089.1 2554.3 4395.9 2857 2559 2923.7 3733 3634.4 3067.4 3659.1 3543.5 2271.5 3059.2 3647 3337.2 2438 3171.5 3432.4 2525.4 3165.5 2815 (Note: The average and the standard deviation of the data are respectively 3098.6 g and 605.65 g.) Use a 5% significance level to test the claim that the standard deviation of birthweights of girls is different from the standard deviation of birthweights of boys, which is 530 g. Procedure: Select an answer Assumption Select an answer O Simp One mean T Hypothesis Test O The d bonses are both greater than 10 O Norm One proportion Z Hypothesis Test O Popu O Samg One mean Z Hypothesis Test O Popu One variance x Hypothesis Test Step 1. Hypounese Jecop. where ? is the Select an answer Họ: Select an answer and the units are H: Select an answer and the test is Select an ansSwer v
A sample of birth weights of 45 girls was taken. Below are the results (in g):
3962.9 3197.4 2624.2 4949.1
2958.3
3045.2 2870.1
2618.7
4049.9 2705.5
3341.3
2480.4
2510 3544.2| 3829.3
2455.7
3423.4
3284.6
1859.3
2251.9
2965.8
3074
3557
2596.7
2500.8
2559
3659.1
2525.4
3089.1
2554.3
4395.9
3634.4
2857
2923.7
3733
3067.4
3543.5
3337.2
2271.5
3059.2
3171.5
3432.4 3165.5
2438
2815
3647
(Note: The average and the standard deviation of the data are respectively 3098.6 g and 605.65 g.)
Use a 5% significance level to test the claim that the standard deviation of birthweights of girls is different
from the standard deviation of birthweights of boys, which is 530 g.
Procedure: Select an answer
Assumptions: (select everything that applies)
O Simple random sample
O The number of positive and negative responses are both greater than 10
O Normal population
O Population standard deviation is known
O Sample size is greater than 30
O Population standard deviation is unknown
Step 1. Hypotheses Set-Up:
where
v is the
Ho: Select an answer v
Select an answer
v and the units are
H: Select an answer v? v
and the test is Select an answer v
Step 2. The significance level a =
Step 3. Compute the value of the test statistic: Select an answer v
(Round the answer to 3
decimal places)
Step 4. Testing Procedure: (Round the answers to 3 decimal places)
Transcribed Image Text:A sample of birth weights of 45 girls was taken. Below are the results (in g): 3962.9 3197.4 2624.2 4949.1 2958.3 3045.2 2870.1 2618.7 4049.9 2705.5 3341.3 2480.4 2510 3544.2| 3829.3 2455.7 3423.4 3284.6 1859.3 2251.9 2965.8 3074 3557 2596.7 2500.8 2559 3659.1 2525.4 3089.1 2554.3 4395.9 3634.4 2857 2923.7 3733 3067.4 3543.5 3337.2 2271.5 3059.2 3171.5 3432.4 3165.5 2438 2815 3647 (Note: The average and the standard deviation of the data are respectively 3098.6 g and 605.65 g.) Use a 5% significance level to test the claim that the standard deviation of birthweights of girls is different from the standard deviation of birthweights of boys, which is 530 g. Procedure: Select an answer Assumptions: (select everything that applies) O Simple random sample O The number of positive and negative responses are both greater than 10 O Normal population O Population standard deviation is known O Sample size is greater than 30 O Population standard deviation is unknown Step 1. Hypotheses Set-Up: where v is the Ho: Select an answer v Select an answer v and the units are H: Select an answer v? v and the test is Select an answer v Step 2. The significance level a = Step 3. Compute the value of the test statistic: Select an answer v (Round the answer to 3 decimal places) Step 4. Testing Procedure: (Round the answers to 3 decimal places)
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