The time married men with children spend on child care averages 6.7 hours per week (Time,...
The time married men with children spend on child care averages 6.7 hours per week (Time, March 12, 2012). 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 6.7 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 is contained in the Excel Online file below. Construct a spreadsheet to answer the following questions. Open spreadsheet 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 by Time in your area? b. What is the sample mean and the p -value? What is the sample mean (to 1 decimal)? Calculate the value of the test statistic (to 2 decimals). What is the p -value (to 4 decimals)? Do not round intermediate calculations. c. Select your own level of significance. What is your conclusion? the null. We enough evidence to disprove the reported time. 1.6 2.1 4.1 0.9 4.4 0.6 9.1 11.5 3.7 4.2 10.3 8 10.8 9.1 6.2 10 6.9 2 11.5 9 7.8 8.2 9.3 11.7 4.5 4.4 9.2 7.6 6.4 11.3 11 11 7.9 10.4 2.7 11.6 7.9 0.9 5.6 10.9
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The time married men with children spend on child care averages
6.7 hours per week (Time,...
The time married men with children spend on child care averages 9.8 hours per week (Time,...
The time married men with children spend on child care averages 9.8 hours per week (Time, March 12, 2012). 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 9.8 hours per week. The standard deviation for the amount of time married men in your area spend on child care is...
The time married men with children spend on child care averages 9.8 hours per week (Time,...
The time married men with children spend on child care averages 9.8 hours per week (Time, March 12, 2012). 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 9.8 hours per week. The standard deviation for the amount of time married men in your area spend on child care is...
The time married men with children spend on child care averages 5.9 hours per week (Time,...
The time married men with children spend on child care averages 5.9 hours per week (Time, March 12, 2012). 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 5.9 hours per week. A sample of 40 married couples will be used with the data collected showing the hours per week...
The time married men with children spend on child care averages 9.8 hours per week (Time, March 12, 2012). You belong to...
The time married men with children spend on child care averages 9.8 hours per week (Time, March 12, 2012). 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 9.8 hours per week. The standard deviation for the amount of time married men in your area spend on child care is...
The time married men with children spend on child care averages 5.8 hours per week (Time,...
The time married men with children spend on child care averages
5.8 hours per week (Time, March 12, 2012). 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 5.8 hours
per week. A sample of 40 married couples will be used with the data
collected showing the hours per week...
partial credit,10.2.16-T Question Help Do women tend to spend more time on housework than men? If...
partial credit,10.2.16-T Question Help Do women tend to spend more time on housework than men? If so, how much more? A study reported the results shown in the table to the right for the number of hours spent on housework per week. Complete parts a through d below. Housework Hours Gender Sample Size Mean Standard Deviation Women 476 30.1 13.1 Men 501 17.4 13.1 a. Based on this study, calculate how many more hours per week, on the average, women...
The times that college students spend studying per week have a distribution skewed to the left...
The times that college students spend studying per week have a distribution skewed to the left with a mean of 8.4 hours and a standard deviation of 2.1 hours. Find the probability that the mean time spent studying per week for a random sample of 65 college students would be a. between 7.9 and 8.6 hours. Round your answer to two decimal places. P= b. less than 8.2 hours. Round your answer to two decimal places. P=
. A university says the mean number of classroom hours per week for full-time faculty is...
. A university says the mean number of classroom hours per week for full-time faculty is 11.0. A random sample of the number of classroom hours for full-time faculty for one week is listed below. You work for a student organization and are asked to test this claim. At = 0.01, do you have enough evidence to reject the university’s claim? 11.8 8.6 12.6 7.9 6.4 10.4 13.6 9.1 a. State the null and alternative hypotheses. b. Find the test...
(20 pts)4. A university says the mean number of classroom hours per week for full-time faculty...
(20 pts)4. A university says the mean number of classroom hours per week for full-time faculty is 11.0. A random sample of the number of classroom hours for full-time faculty for one week is listed below. You work for a student organization and are asked to test this claim. At = 0.01, do you have enough evidence to reject the university's claim? 11.8 8.6 12.6 7.9 6.4 10.4 13.6 9.1 a. State the null and alternative hypotheses. b. Find the...
Previously, an organization reported that teenagers spent 4.5 hours per week, onaverage, on the phone. The organization...
Previously, an organization reported that teenagers spent 4.5 hours per week, onaverage, on the phone. The organization thinks that, currently, the mean isgreater than 4.5. Ten randomly chosen teenagers were asked how many hoursper week they spend on the phone. The level of significance is 0.05. The sample of teenagers’ time is: 3.0, 4.25, 5.5, 3.5, 7.0, 6.3, 2.0, 4.5, 3.7, 3.6, 7.2, 7.9 Population mean: Sample mean: Sample standard of deviation: Level of significance: Sample size: null hypothesis (Ho):...
The time married men with children spend on child care averages
5.8 hours per week (Time, March 12, 2012). 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 5.8 hours
per week. A sample of 40 married couples will be used with the data
collected showing the hours per week...
The times that college students spend studying per week have a distribution skewed to the left with a mean of 8.4 hours and a standard deviation of 2.1 hours. Find the probability that the mean time spent studying per week for a random sample of 65 college students would be a. between 7.9 and 8.6 hours. Round your answer to two decimal places. P= b. less than 8.2 hours. Round your answer to two decimal places. P=
(20 pts)4. A university says the mean number of classroom hours per week for full-time faculty is 11.0. A random sample of the number of classroom hours for full-time faculty for one week is listed below. You work for a student organization and are asked to test this claim. At = 0.01, do you have enough evidence to reject the university's claim? 11.8 8.6 12.6 7.9 6.4 10.4 13.6 9.1 a. State the null and alternative hypotheses. b. Find the...
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