d. What is the lower bound of the confidence interval? e. What is the upper bound for the confidence interval? f. Interpret the confidence interval you have calculated

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d. What is the lower bound of the confidence interval? e. What is the upper bound for the confidence interval? f. Interpret the confidence interval you have calculated
In the 2018 GSS, a random sample of 1419 adults were asked how many hours per week they
usually spend on email. The mean number of hours spent on email for the sample was 7.15,
with a standard deviation of 11.75. Use these data to calculate a 95% confidence interval for the
mean number of hours spent on email in the population, and answer the following questions
based on those calculations.
Transcribed Image Text:In the 2018 GSS, a random sample of 1419 adults were asked how many hours per week they usually spend on email. The mean number of hours spent on email for the sample was 7.15, with a standard deviation of 11.75. Use these data to calculate a 95% confidence interval for the mean number of hours spent on email in the population, and answer the following questions based on those calculations.
d. What is the lower bound of the confidence interval?
e. What is the upper bound for the confidence interval?
f. Interpret the confidence interval you have calculated
Transcribed Image Text:d. What is the lower bound of the confidence interval? e. What is the upper bound for the confidence interval? f. Interpret the confidence interval you have calculated
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