Determine the mode(s) of the following data set, which represents the number of days worked in the month of February for 16 professors in a university's mathematics department.

Data set: 12,23,21,16,21,21,22,15,15,21,19,15,15,21,15,28 (If there is more than one mode, list the modes in ascending order separated by commas with no spaces.

QUESTION 131 POINT

The following is a data set of the average weekly number of cups of coffee consumed by employees in an office. Find the mean and median and determine if the mean or median is the better measure of central tendency.

9,5,0,7,7,6,9,30,9,1,3,0,4,8,5,9

Select the correct answer below:

Mean = 7, Median = 6.5 The mean is the better measure of central tendency.

Mean = 7, Median = 6.5 The median is the better measure of central tendency.

Mean = 6.5, Median = 7 The mean is the better measure of central tendency.

Mean = 6.5, Median = 7 The median is the better measure of central tendency.

QUESTION 111 POINT

Estimate the mean of the data given in the following grouped frequency table.

Value Interval	Frequency
48	9
913	12
1418	7
1923	3

Select the correct answer below:

12.645

9.645

10.645

11.645

13.645

QUESTION 101 POINT

Estimate the mean of the data given in the following grouped frequency table.

Round the final answer to two decimal places.

Value Interval	Frequency
0-3	8
4-7	6
8-11	11
12-15	10

QUESTION 91 POINT

Find the median for the following set of data:

53,47,43,36,31,42,44,45,46

Provide your answer below:

Median =

QUESTION 81 POINT

The following is a list of weights, in pounds, of dogs at a bark park. Is the mean, median, or mode likely to be the best measure of the center for the data set?

25, 47, 46, 34, 79, 27, 32, 41, 36

Select the correct answer below:

Mode

Mean

Median