# Question: The following frequency distribution table shows staffng levels number of

The following frequency distribution table shows staffng levels (number of offcers reporting) for the 50 most recent shifts at Metropolitan Police Headquarters:

Staff Level (Number of Offcers) x Number of Shifts f(x)

40......................... 13

41......................... 7

42......................... 5

43......................... 5

44......................... 7

45......................... 13

Total = 50

a. Show the frequency bar chart for the data.

b. Compute the mean, the variance and the standard deviation for the staffng data.

c. Identify the median and the mode.

d. Use vocabulary from the chapter to describe the shape of the distribution.

Staff Level (Number of Offcers) x Number of Shifts f(x)

40......................... 13

41......................... 7

42......................... 5

43......................... 5

44......................... 7

45......................... 13

Total = 50

a. Show the frequency bar chart for the data.

b. Compute the mean, the variance and the standard deviation for the staffng data.

c. Identify the median and the mode.

d. Use vocabulary from the chapter to describe the shape of the distribution.

## Relevant Questions

In a survey of National Hockey League players, 75 players were asked how many teeth they had lost due to contact during games. Survey results are as follows: Missing Teeth x No. of Players f(x) 0................ ...Thirty stock traders on the floor of the New York Stock Exchange were asked to predict the number of consecutive months in which the NYSE Index would continue to increase. Responses were as follows: a. Show the survey ...For the data in Exercise 71, set up a grouped data frequency table using classes 0 to under 3, 3 to under 6, and 6 to under 9, and 9 to under 12. In exercise a. Draw the histogram. b. Estimate the mean, the variance and ...For the following set of values, compute the range, the MAD, the variance and the standard deviation. Interpret each of these measures of dispersion. 2, 12, 6, 4, 8, 22 As part of Beta Industries quality control procedures, inspectors monitor the diameter and the thickness of each micro-battery produced. Below are the results of the last eight measurements: Which characteristic, thickness ...Post your question