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The time married men with children spend on child care averages 6.5 hours per week. You belong to a professional group on family practices that would like to do its own study to determin he time married men in your area spend on child care per week differs from the reported mean of 6.5 hours per week. A sample of 40 married couples will be used with the data collected he hours per week the husband spends on child care. The sample data are contained in the table below. 7.0 7.5 4.6 9.3 12.1 4.5 10.2 9.3

The time married men with children spend on child care averages 6.5 hours per week. You belong to a professional group on family practices that would like to do its own study to determin he time married men in your area spend on child care per week differs from the reported mean of 6.5 hours per week. A sample of 40 married couples will be used with the data collected he hours per week the husband spends on child care. The sample data are contained in the table below. 7.0 7.5 4.6 9.3 12.1 4.5 10.2 9.3

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 1GP
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The time married men with children spend on child care averages 6.5 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 6.5 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. 7.0 7.5 4.6 9.3 12.1 4.5 10.2 9.3 8.3 0.5 8.2 5.4 5.7 10.0 6.1 11.8 9.7 7.0 7.7 8.7 6.1 7.9 3.7 4.0 5.7 8.5 2.4 7.0 8.0 7.5 0.5 7.7 6.3 9.1 6.5 8.0 7.2 8.7 9.7 7.1 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? Ho : u = : 6.5 Ha : 4 : 6.5 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.
Transcribed Image Text:The time married men with children spend on child care averages 6.5 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 6.5 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. 7.0 7.5 4.6 9.3 12.1 4.5 10.2 9.3 8.3 0.5 8.2 5.4 5.7 10.0 6.1 11.8 9.7 7.0 7.7 8.7 6.1 7.9 3.7 4.0 5.7 8.5 2.4 7.0 8.0 7.5 0.5 7.7 6.3 9.1 6.5 8.0 7.2 8.7 9.7 7.1 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? Ho : u = : 6.5 Ha : 4 : 6.5 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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