Question

2 Points

These dot plots show the lengths (in feet) from a sample of crocodiles and

alligators

Crocodi

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Alligator

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Length

What are the differences between the centers and spreads of these

distributions?

Select two choices: one for the centers and one for the spreads

D A Centers: The crocodiles have a lower median length than the

alligators

B. Centers: The crocodiles have a greater median length than the

alligators

c. Spreads: The lengths of the alligators are more spread out

D. Spreads. The lengths of the crocodiles are more spread out

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Answer 1

Answer: b and c

Explanation:

Answer 2

(B) Centers: The crocodiles have a greater median length than the alligators

(C) Spreads: The lengths of the alligators are more spread out

Explanation:

The question is incomplete without the diagram. Find attached the diagram used in solving the question

Centers: this is the median of the distribution

Spread: this is the variation of the data distribution. The range can be used to find the spread. If the range is large, the spread is larger and If the range is small, the spread is smaller.

Range = highest value - lowest value

From the diagram:

Median of crocodile = 17

Median of the alligator = 9

Therefore, for Centers: The crocodiles have a greater median length than the alligators (option B)

Spread for crocodile data = from 15 to 19

Range = 19-15 = 4

Spread for alligator data = from 7 to 15

Range = 15-7 = 8

For Spreads: The lengths of the alligators are more spread out.