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It is reported that the time married men with children spend on child care averages 6.6 hours per week. You belong to a professional group on family practices that would like to do its own study to determine if the time married men in your area spend on child care per week differs from the reported mean of 6.6 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 file ChildCare. 7.7 5.8 3.6 9.7 6.2 8.7 11.4 0.6 7.3 6.5 8.2 7.2 9.4 7.5 5.4 8.0 9.4 4.5 7.5 7.9 5.8 7.6 8.3 9.8 9.0 6.2 4.7 0.6 11.2 8.3 7.9 7.0 6.3 3.8 8.1 7.0 7.6 2.3 9.0 7.0 (a) What are the hypotheses if your group would like to determine if the population mean number of hours married men are spending in child care differs from the mean reported in your area? Hoi H = 6.6 H: H # 6.6 O Ho: H< 6.6 H3i H2 6.6 O Ho: HS 6.6 H3i H > 6.6 O Ho: H > 6.6 H:HS 6.6 Ho, μ2 6.6 HiH< 6.6 (b) What is the sample mean in hours per week? hours per week What is the test statistic? (Round your answer to three decimal places.) What is the p-value? (Round your answer to four decimal places.) p-value =

It is reported that the time married men with children spend on child care averages 6.6 hours per week. You belong to a professional group on family practices that would like to do its own study to determine if the time married men in your area spend on child care per week differs from the reported mean of 6.6 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 file ChildCare. 7.7 5.8 3.6 9.7 6.2 8.7 11.4 0.6 7.3 6.5 8.2 7.2 9.4 7.5 5.4 8.0 9.4 4.5 7.5 7.9 5.8 7.6 8.3 9.8 9.0 6.2 4.7 0.6 11.2 8.3 7.9 7.0 6.3 3.8 8.1 7.0 7.6 2.3 9.0 7.0 (a) What are the hypotheses if your group would like to determine if the population mean number of hours married men are spending in child care differs from the mean reported in your area? Hoi H = 6.6 H: H # 6.6 O Ho: H< 6.6 H3i H2 6.6 O Ho: HS 6.6 H3i H > 6.6 O Ho: H > 6.6 H:HS 6.6 Ho, μ2 6.6 HiH< 6.6 (b) What is the sample mean in hours per week? hours per week What is the test statistic? (Round your answer to three decimal places.) What is the p-value? (Round your answer to four decimal places.) p-value =

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
Section10.3: Measures Of Spread
Problem 1GP
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It is reported that the time married men with children spend on child care averages 6.6 hours per week. You belong to a professional group on family practices that would like to do its own study to determine if the time married men in your area spend on child care per week differs from the reported mean of 6.6 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 file ChildCare. 7.3 6.5 7.7 5.8 3.6 9.7 6.2 8.7 11.4 0.6 8.2 7.2 9.4 7.5 5.4 8.0 9.4 4.5 7.5 7.9 5.8 7.6 8.3 9.8 9.0 6.2 4.7 0.6 11.2 8.3 9.0 7.9 7.0 6.3 3.8 8.1 7.0 7.6 2.3 7.0 (a) What are the hypotheses if your group would like to determine if the population mean number of hours married men are spending in child care differs from the mean reported in your area? Ho: H = 6.6 HaiH # 6.6 Ha: u z 6.6 9'9 > rl :ºH Ho: Hs 6.6 Hai µ > 6.6 Ho: H > 6.6 Ha: HS 6.6 Ho:Hz 6.6 H3:H< 6.6 (b) What is the sample mean in hours per week? hours per week What is the test statistic? (Round your answer to three decimal places.) What is the p-value? (Round your answer to four decimal places.) p-value =
Transcribed Image Text:It is reported that the time married men with children spend on child care averages 6.6 hours per week. You belong to a professional group on family practices that would like to do its own study to determine if the time married men in your area spend on child care per week differs from the reported mean of 6.6 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 file ChildCare. 7.3 6.5 7.7 5.8 3.6 9.7 6.2 8.7 11.4 0.6 8.2 7.2 9.4 7.5 5.4 8.0 9.4 4.5 7.5 7.9 5.8 7.6 8.3 9.8 9.0 6.2 4.7 0.6 11.2 8.3 9.0 7.9 7.0 6.3 3.8 8.1 7.0 7.6 2.3 7.0 (a) What are the hypotheses if your group would like to determine if the population mean number of hours married men are spending in child care differs from the mean reported in your area? Ho: H = 6.6 HaiH # 6.6 Ha: u z 6.6 9'9 > rl :ºH Ho: Hs 6.6 Hai µ > 6.6 Ho: H > 6.6 Ha: HS 6.6 Ho:Hz 6.6 H3:H< 6.6 (b) What is the sample mean in hours per week? hours per week What is the test statistic? (Round your answer to three decimal places.) What is the p-value? (Round your answer to four decimal places.) p-value =
(c) Most researchers would choose a = 0.10 or less. At a = 0.10, what is your conclusion? O Do not reject Ho. There is sufficient evidence to conclude that that the population mean number of hours married men with children in your area spend on child care differs from the reported mean of 6.6. O Reject Ho. There is sufficient evidence to conclude that that the population mean number of hours married men with children in your area spend on child care differs from the reported mean of 6.6. O Do not reject H.. There is insufficient evidence to conclude that that the population mean number of hours married men with children in your area spend on child care differs from the reported mean of 6.6. O Reject Ho. There is insufficient evidence to conclude that that the population mean number of hours married men with children in your area spend on child care differs from the reported mean of 6.6.
Transcribed Image Text:(c) Most researchers would choose a = 0.10 or less. At a = 0.10, what is your conclusion? O Do not reject Ho. There is sufficient evidence to conclude that that the population mean number of hours married men with children in your area spend on child care differs from the reported mean of 6.6. O Reject Ho. There is sufficient evidence to conclude that that the population mean number of hours married men with children in your area spend on child care differs from the reported mean of 6.6. O Do not reject H.. There is insufficient evidence to conclude that that the population mean number of hours married men with children in your area spend on child care differs from the reported mean of 6.6. O Reject Ho. There is insufficient evidence to conclude that that the population mean number of hours married men with children in your area spend on child care differs from the reported mean of 6.6.
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