Author Question: Independent random samples were selected from each of two normally distributed populations, from ... (Read 150 times)

AEWBW · **on:** Feb 14, 2020

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:

2.5

3.1

2.3

1.8

4.2

3.5

3.9

Population 2:

2.9

1.7

4.6

3.5

3.7

2.8

4.6

3.4

1.9

Find the test statistic for the test of

against

.
◦ 1.36
◦

1.17

◦ .735
◦ .857

Sarahjh · **Reply #1 on:** Feb 14, 2020

A FREE account is required to view all solutions!

Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.

Answer Preview

Only 56% of students answer this correctly