a. Find the point estimates for the population mean and the population standard deviation for the day students and the night students. b. Construct a 95% confidence interval for the population mean of the day students and for the night students. Do the confidence intervals suggest there is a significant difference in ages between the two groups? Explain. c. Construct a 95% confidence interval for µ1- H2. Does the confidence interval suggest there is a significant difference in ages between the two groups? Explain. d. At a = 0.05, test the claim that there is no difference in age between the two groups. e. Interpret your results.

Question
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a. Find the point estimates for the population mean and the population
standard deviation for the day
students and the night students.
b. Construct a 95% confidence interval for the population mean of the day
students and for the night
students. Do the confidence intervals suggest there is a significant difference
in ages between the
two groups? Explain.
c. Construct a 95% confidence interval for µ1- H2. Does the confidence interval
suggest there is a
significant difference in ages between the two groups? Explain.
d. At a = 0.05, test the claim that there is no difference in age between the two
groups.
e. Interpret your results.
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Transcribed Image Text

a. Find the point estimates for the population mean and the population standard deviation for the day students and the night students. b. Construct a 95% confidence interval for the population mean of the day students and for the night students. Do the confidence intervals suggest there is a significant difference in ages between the two groups? Explain. c. Construct a 95% confidence interval for µ1- H2. Does the confidence interval suggest there is a significant difference in ages between the two groups? Explain. d. At a = 0.05, test the claim that there is no difference in age between the two groups. e. Interpret your results.