# Question: This frequency distribution represents the data obtained from a sample

This frequency distribution represents the data obtained from a sample of 75 copying machine service technicians. The values represent the days between service calls for various copying machines.

Class boundaries Frequency

15.5–18.5 ......14

18.5–21.5 ......12

21.5–24.5 ......18

24.5–27.5 ......10

27.5–30.5 ......15

30.5–33.5 ........6

Find the :

Mean

Modal class

Class boundaries Frequency

15.5–18.5 ......14

18.5–21.5 ......12

21.5–24.5 ......18

24.5–27.5 ......10

27.5–30.5 ......15

30.5–33.5 ........6

Find the :

Mean

Modal class

## Answer to relevant Questions

Use the data from Exercise 14 in Section 2–1 and find the mean and modal class. Using the weighted mean, find the average number of grams of fat per ounce of meat or fish that a person would consume over a 5-day period if he ate these: Meat or fish Fat (g/oz) 3 oz fried shrimp 3.33 3 oz ...Describe which measure of central tendency—mean, median, or mode—was probably used in each situation. a. One-half of the factory workers make more than $5.37 per hour, and one-half make less than $5.37 per hour. b. The ...The expenditures per pupil for selected states are listed below. Based on these data, what do you think of the claim that the average expenditure per pupil in the United States exceeds $10,000? A sample of 12 drivers shows the time that they spent (in minutes) stopped in rush-hour traffic on a specific snowy day last winter. 52 56 53 61 49 51 53 58 53 60 71 58 Find the range, variance, and standard deviation ...Post your question