What is the population standard deviation for the number: 75, 83, 96, 100, 121, and 125? A. 16.9
B. 17.1
C. 17.6
D. 18.2
Please help. ASAP

1. the following set of data represents the number of waiting times in minutes from a random sample of 30 customers waiting for service at a department store. 4 5 7 10 11 11 12 12 13 15 15 17 17 17 17 17 18 20 20 21 22 22 23 24 25 27 27 31 31 32 a. determine the number of classes and class interval.

Given the box plot, will the mean or the median provide a better description of the center? box plot with min at 10.5, q1 at 11.5, median at 12.5, q3 at 13.5, max at 15

Awasher and a dryer cost $701 combined. the washer costs $51 more than the dryer. what is the cost of the dryer?