Question

Find the range, mean, median, and mode of the following data set.

21, 14, 2, 9, 12, 3, 1, 8, 20
a.
Range 17
Mean 10
Median 9
Mode 9
c.
Range 20
Mean 11
Median 9
Mode none

b.
Range 20
Mean 10
Median 12
Mode none
d.
Range 20
Mean 10
Median 9
Mode none

Answer 1

The answer to your question would be D.

D. Range: 20

Mean: 10

Median: 9

Mode: none

Explanation:

1, 2, 3, 8, 9, 12, 14, 20, 21

Range: 21 - 1 = 20

Mean: 1 + 2 + 3 + 8 + 9 + 12 + 14 + 20 + 21 = 90/9 = 10

Median: 9

Mode: there are no mode in the following given data set.