# Question

The following data represent the number of appointments made per 15-minute interval by telephone solicitation for a lawn-care company. Assume these are population data.

Number of ..... Frequency

Appointments of Occurrence

0–under 1 ..... 31

1–under 2 ..... 57

2–under 3 ..... 26

3–under 4 ..... 14

4–under 5 ..... 6

5–under 6 ..... 3

a. Calculate the mean of the data.

b. Calculate the mode.

c. Calculate the median.

d. Calculate the variance.

e. Calculate the standard deviation.

Number of ..... Frequency

Appointments of Occurrence

0–under 1 ..... 31

1–under 2 ..... 57

2–under 3 ..... 26

3–under 4 ..... 14

4–under 5 ..... 6

5–under 6 ..... 3

a. Calculate the mean of the data.

b. Calculate the mode.

c. Calculate the median.

d. Calculate the variance.

e. Calculate the standard deviation.

## Answer to relevant Questions

The Air Transport Association of America publishes figures on the busiest airports in the United States. The following frequency distribution has been constructed from these figures for a recent year. Assume these are ...The 2010 U.S. Census also asked for each person’s age. Suppose that a sample of 40 households taken from the census data showed the age of the first person recorded on the census form to be as follows.According to a Human Resources report, a worker in the industrial countries spends on average 419 minutes a day on the job. Suppose the standard deviation of time spent on the job is 27 minutes. a. If the distribution of ...Use your calculator or computer to find the sample variance and sample standard deviation for the followingdata.A supplier shipped a lot of six parts to a company. The lot contained three defective parts. Suppose the customer decided to randomly select two parts and test them for defects. How large a sample space is the customer ...Post your question

0