Name:    6th Grade Math- Find measures of central tendency - mean, median, and mode.  Practice Test 24

Multiple Choice
Identify the choice that best completes the statement or answers the question.

1.

Calculate the mean:  13, 21, 45, 62, 10
 a. 35 c. 30.2 b. 31.99 d. 22.1

2.

Calculate the median: 7, 13, 21, 45, 62, 10, 46
 a. 45 c. 21 b. 46 d. 10

3.

2, 3, 4, 5, 6.  What is unique (somewhat unusual)  about these numbers in terms of mean and median?
 a. they add up to an odd number c. they are all  4 b. there is nothing unique d. there is no mean or median

4.

What is the mean of these numbers?  52, 29, 75, 18
 a. 43.5 c. 39 b. 52 d. 40

5.

What is the mode of this set of numbers?  3, 17, 19, 21, 23, 23, 45, 46, 52
 a. 21 c. 27.66 b. 23 d. 45

6.

What is the median number of this number set?  3, 17, 19, 21, 23, 23, 45, 46, 52
 a. 28 c. 21 b. 45 d. 23

7.

Calculate the mean of these numbers?   75, 69, 22, 58, 71
 a. 41 c. 59 b. 45 d. 42

8.

Calculate the median of these numbers?  22, 35, 52, 55, 59, 61, 70, 74,75
 a. 57 c. 61 b. 59 d. 55

9.

Calculate the mode of these numbers?  22, 35, 52, 55, 59, 61, 70, 74,75, 35
 a. 22 c. 61 b. 55.889 d. 35

Numeric Response

10.

Find the mode:  13, 24, 56, 13, 67, 91, 63, 45, 10

11.

Find the mode:  10.1, 11.2, 12.3, 10.1, 20.2, 30.3

12.

Find the mean:  15, 30, 45, 90, 15

13.

Find the mean:  69, 79, 89, 99, 109

14.

Find the mean:  122, 59, 73, 18

15.

Find the median:

16.

Find the median:   2, 2, 2, 3,  3, 4, 5, 5, 5