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.
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