A simple random sample of 5 months of sales data provided the following information: Month: 1 2 Units Sold: 99 120 a. Develop a point estimate of the population mean number of units sold per month. 98 b. Develop a point estimate of the population standard deviation (to 2 decimals). 3 81 4 5 99 91

Approximate the mean and standard deviation for age.

The grades for 30 students on the most recent exam are given in the data table below: Round your answer to 2 decimal places as needed 70 70 80 80 70 60 90 80 80 80 60 70 70 70 70 90 70 70 80 90 60 90 70 60 90 70 06 90 90 80 What is the mean score for the exam? What is the median score for the exam? What is the standard deviation for the exam?

Using technology, find the range and standard deviation, round to one decimals place:The table below gives the number of hours spent watching TV last week by a sample of 24 children. 20 39 34 29 48 84 64 25 75 89 40 57 82 43 62 52 49 59 38 87 49 66 95 17 Range = 78 Standard Deviation = 22.6