Mathematics

Josiah Hardin

22 February, 09:09

These are the means and standard deviations for samples of building heights

in two different cities.

City A

Mean: 120 ft

Standard deviation: 20 ft

City B

Mean: 240 ft

Standard deviation: 12 ft

Select the two true statements.

D

A. City A's heights are more spread out than city B's heights.

B. City A's heights are less spread out than city B's heights.

c. City A has a lower average height than city B.

D. City A has a greater average height than city B.