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Week 5 Confidence Interval for Average of Online College Students Worksheet

Week 5 Confidence Interval for Average of Online College Students Worksheet

Question Description

I’m working on a Statistics question and need guidance to help me study.

Find the excel file below.

Using data from week 3, complete week 5 only please .

These are the instructions. please answer following question aswell

Based on the class sample, you will create a 95% confidence interval for the mean age and the proportion of males in the population of all online college students. Using the same sheet as part 2, answer the following in the “week 5” tab:

  • For the average age, form a 95% confidence interval:
    • What distribution should be used?
    • What is the critical value?
    • What is the error bound?
    • What is the lower bound?
    • What is the upper bound?
  • For the proportion of males, form a 95% confidence interval:
    • What distribution should be used?
    • What is the critical value?
    • What is the error bound?
    • What is the lower bound?
    • What is the upper bound?

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