Question: Open the MSLGrades.xls dataset in Statcrunch. Copy and paste all Statcrunch output into the document.Make sure to answer all questions fully. 1.)Calculate a 98% confidence

Open the MSLGrades.xls dataset in Statcrunch.Copy and paste all Statcrunch output into the document.Make sure to answer all questions fully.

1.)Calculate a 98% confidence interval for the mean weeklySPtime. Circle the bounds each interval.

1.208526

2.)Interpret the bounds.

3.)Change this interval to a 95% confidence interval.Circle the bounds of the interval.

4.)What happened to the different bounds as the confidence level changed?

5.)Compare the bounds of the interval calculated in problem #1 to the value 150.What does this make you think about the idea that students should spend 30 minutes daily or 150 minutes weekly on their study plan?

6.)What is the margin of error for the 98% confidence interval in problem #1?

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