Question: Need help with these two questions, I know how to do these but not when the data is presented in a table like this. I'm

Need help with these two questions, I know how to do these but not when the data is presented in a table like this. I'm looking for how to find the numbers to input into the formula from these tables.

8.17. Use the following data to construct a 99% confidence interval for .

16.417.117.015.616.2

14.816.015.617.317.4

15.615.717.216.616.0

15.315.416.015.817.2

14.615.514.916.716.3

Assume x is normally distributed. What is the point estimate for ?

8.53. In planning both market opportunity and production levels, being able to estimate the size of a market can be important. Suppose a diaper manufacturer wants to know how many diapers a one-month-old baby uses during a 24-hour period. To determine this usage, the manufacturer's analyst randomly selects 17 parents of one-month-olds and asks them to keep track of diaper usage for 24 hours. The results are shown. Construct a 99% confidence interval to estimate the average daily diaper usage of a one-month-old baby. Assume diaper usage is normally distributed.

128119131410

109131181115

10712

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