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Author Question: Independent random samples were selected from each of two normally distributed populations, from ... (Read 147 times)

AEWBW

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Question 1

Suppose it desired to compare two physical education training programs for preadolescent girls. A total of 82 girls are randomly selected, with 41 assigned to each program. After three 6-week periods on the program, each girl is given a fitness test that yields a score between 0 and 100. The means and variances of the scores for the two groups are shown in the table.



Test to determine if the variances of the two programs differ. Use α = .05.

Question 2

Independent random samples were selected from each of two normally distributed populations, from population 1 and from population 2. The data are shown below.

Population 1:2.53.12.31.84.23.53.9
Population 2:2.91.74.63.53.72.84.63.41.9

Find the test statistic for the test of against .
◦ 1.36
1.17

◦ .735
◦ .857


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Marked as best answer by AEWBW on Feb 14, 2020

Sarahjh

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AEWBW

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Reply 2 on: Feb 14, 2020
Wow, this really help


ricroger

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Reply 3 on: Yesterday
:D TYSM

 

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