Question

99 PTS PLS HELP! The measures in Table A describe the lengths of snakes in inches in the reptile exhibit at the zoo.

The measures in Table B describe the lengths of lizards in inches in the reptile exhibit at the zoo.

Which statements are true?

Choose each correct answer.


The lengths of the snakes in the exhibit vary more than the lengths of the lizards.

On average, the length of each snake is about 6.2 inches away from 37.2 inches.

The lengths of the lizards in the exhibit vary more than the lengths of the snakes.

On average, the length of each lizard is about 10 inches away from 13.8 inches.
Table A - Snakes
Mean Median Mode Mean Absolute Deviation
37.2 34 32 6.2
Table B - Lizards
Mean Median Mode Mean Absolute Deviation
13.8 14 10 8.2

Answer 1

• B, C

Explanation:

The Mean Absoute Deviation is the measure of variability of the data set.

The greater the MAD the more spread the data.

Answer choices

A)The lengths of the snakes in the exhibit vary more than the lengths of the lizards.

• Incorrect, as 6.2 < 8.2

B) On average, the length of each snake is about 6.2 inches away from 37.2 inches.

• Correct, as per Table A 37.2 ± 6.2

C) The lengths of the lizards in the exhibit vary more than the lengths of the snakes.

• Correct, as 8.2 > 6.2

D) On average, the length of each lizard is about 10 inches away from 13.8 inches.

• Incorrect, as per Table Bthe MAD is 8.2 not 10