The standard deviations of four data sets are shown in the table below. Which of the data sets is the most spread out?
Data set
Standard deviation
Data set A
6.06
Data set B
4.88
Data set C
5.21
Data set D
3.39
A. Data set B
B. Data set D
C. Data set C
D. Data set A

If x = ∛200, which of the following inequalities is true? * 2 < x < 4 3 < x < 5 6 < x < 6.5 4.5 < x < 5.5 5 < x < 6

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

What is the difference between the predicted value and the actual value