Prepared by Dr. Agatha Shaw, Valencia College, 9/19/2007

http://faculty.valencia.cc.fl.us/ashaw

QUICK REVIEW: CLAST SKILL I.D.2

Determine the mean, median, and mode

Some Guidelines:

* The mean is the average value

* The median is the middle value (be sure the data are in ascending/descending order)

* The mode is the most frequent value

1. What is the mean of the data in the following sample?

16, 17, 13, 5, 10, 8, 12, 4, 10, 5

a) 5 b) 10 c) 8.3 d) 9.5

2. What is the mode of the data in the following sample?

16, 17, 13, 15, 10, 8, 12, 4, 10, 5

a) 9.5 b) 10 c) 17 d) 5

3. What is the median of the data in the following sample?

16, 17, 13, 5, 10, 8, 12, 4, 10, 5

a) 9 b) 10 c) 8.3 d) 9.5

4. What is the mean of the data in the following sample?

12, 23, 23, 2, 10, 2, 26, 19, 23, 15, 21

a) 16 b) 15.91 c) 23 d) 19

5. What is the mode of the data in the following sample?

12, 23, 23, 2, 10, 2, 26, 19, 23, 15, 21

a) 16 b) 15.91 c) 23 d) 19

6. What is the median of the data in the following sample?

12, 23, 23, 2, 10, 2, 26, 19, 23, 15, 21

a) 16 b) 15.91 c) 23 d) 19