Question

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

27, 20, 34, 37, 21, 42, 39

A)mean: 31.4; median: 35.5; mode: 37
B)mean: 31.4; median: 34; no mode
C)mean: 36.7; median: 34; no mode
D)mean: 36.7; median: 37; no mode

Answer 1

B.

Explanation:

20, 21, 27, 34, 37, 39, 42

Median: (middle number) 34

Mode: There are no mode in the following data set.

Mean: 20 + 21 + 27 + 34 + 37 + 39 + 42 = 223/7 = 31.8

Answer 2

The answer is B

Explanation:

Mean is adding all of them up and dividing.

Median is sorting them all into one line from least to most, then find the middle number. If there is 2, add both, then divide by 2.

Mode Is the number you see the most. There can be more than one mode.