The time married men with children spend on child care averages 6.8 hours per week. You belong to a professional group on family practices that would like to de ts own study to determine whether the time married men in your area spend on child care per week differs from the reported mean of 6.8 hours per week. A ample of 40 married couples will be used with the data collected showing the hours per week the husband spends on child care. The sample data are contained the table below. 10.0 .5 0.3 0.4 3.6 10.6 6.6 9.3 5.7 7.9 10.4 9.5 10.0 7.9 11.0 2.4 8.1 5.4 4.5 7.6 3.7 6.1 6.1 0.4 7.3 8.0 7.7 6.3 4.7 8.9 9.0 7.3 7.3 0.0 11.9 9.0 6.7 5.7 9.5 a. What are the hypotheses if your group would like to determine whether the population mean number of hours married men are spending in child care difers from the mean reported by Time in your area? Select your answer 6.8 H, Select your answer 6.8
The time married men with children spend on child care averages 6.8 hours per week. You belong to a professional group on family practices that would like to de ts own study to determine whether the time married men in your area spend on child care per week differs from the reported mean of 6.8 hours per week. A ample of 40 married couples will be used with the data collected showing the hours per week the husband spends on child care. The sample data are contained the table below. 10.0 .5 0.3 0.4 3.6 10.6 6.6 9.3 5.7 7.9 10.4 9.5 10.0 7.9 11.0 2.4 8.1 5.4 4.5 7.6 3.7 6.1 6.1 0.4 7.3 8.0 7.7 6.3 4.7 8.9 9.0 7.3 7.3 0.0 11.9 9.0 6.7 5.7 9.5 a. What are the hypotheses if your group would like to determine whether the population mean number of hours married men are spending in child care difers from the mean reported by Time in your area? Select your answer 6.8 H, Select your answer 6.8
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:The time married men with children spend on child care averages 6.8 hours per week. You belong to a professional group on family practices that would like to do
its own study to determine whether the time married men in your area spend on child care per week differs from the reported mean of 6.8 hours per week. A
sample of 40 married couples will be used with the data collected showing the hours per week the husband spends on child care. The sample data are contained in
the table below.
10.0
8.5
8.3
0.4
3.6
10.6
6.6
9.3
5.7
7.9
10.4
9.5
10.0
7.9
11.0
2.4
8.1
5.4
4.5
7.6
3.7
6.1
6.1
0.4
7.3
8.0
7.7
6.3
4.7
8.9
8.3
9.0
7.3
7.3
8.0
11.9
9.0
8.7
5.7
9.5
a. What are the hypotheses if your group would like to determine whether the population mean number of hours married men are spending in child care differs
from the mean reported by Time in your area?
Select your answer
6.8
H.:uSelect your answer
6.8
b. What is the sample mean (to 2 decimals)?
Calculate the value of the test statistic (to 2 decimals).
What is the p-value?
Select your answer
c. Select your own level of significance (0.01, or 0.05, or 0.10). What is your conclusion?
Select your answer
the null hypothesis. We
Select your answer
enough statistical evidence to disprove the reported time.
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