Question

Summarize the dataset by finding its measures of center—mean, median, and mode.

20, 30, 32, 16, 31, 32, 13, 20, 28, 32, 15, 18, 20, 21, 32

(1 point)
Responses

mean: 24; median: 24.5; mode: 20
mean: 24; median: 24.5; mode: 20

mean: 22.5; median: 21; mode: 20
mean: 22.5; median: 21; mode: 20

mean: 21; median: 24; mode: 32
mean: 21; median: 24; mode: 32

mean: 24; median: 21; mode: 32

Answer 1

Here are the prices for biweekly lawn mowing services for 13 local companies:

15, 15, 20, 30, 30, 35, 40, 40, 40, 40, 50, 50, 50

Which measure of center—mean or median—best represents the shape of the distribution?

(1 point)
Responses

Median; the shape of the distribution is skewed to the right.
Median; the shape of the distribution is skewed to the right.

Mean; the shape of the distribution is close to symmetrical.
Mean; the shape of the distribution is close to symmetrical.

Mean; the shape of the distribution is skewed to the left.
Mean; the shape of the distribution is skewed to the left.

Median; the shape of the distribution is skewed to the left.
Median; the shape of the distribution is skewed to the left.

Answer 2

The correct response is:

mean: 24; median: 24.5; mode: 32

Answer 3

The correct response is:

Median; the shape of the distribution is skewed to the right.