1. what is the mean of the data set?
{11, 14, 15, 16, 16, 18, 20, 20, 22, 22}

2. what is the interquartile range of the data set?
{40, 48, 62, 60, 62, 40, 25, 50, 20, 30, 55}

3. what is the mean absolute deviation of the data set?
{21, 22, 24, 26, 27, 28, 20, 30}

4. what is the median of the data set?
{50, 54, 62, 48, 49, 52}

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.

Amajor grocery store chain is trying to cut down on waste. currently, they get peaches from two different distributors, whole fruits and green grocer. out of a two large shipments, the manager randomly selects items from both suppliers and counts the number of items that are not sell-able due to bruising, disease or other problems. she then makes a confidence interval. is there a significant difference in the quality of the peaches between the two distributors? 95% ci for pw-pg: (0.064, 0.156)