Consider two separate groups of people who had their body fa

Consider two separate groups of people who had their body fatness measured. The mean and standard deviation for groups 1 and 2 were 37.4% ± 4 % and 38.2% ± 7%, respectively. The spread of scores is:

Greater in group 1

Greater in group 2

The same in both groups

Too low

A.

Greater in group 1

B.

Greater in group 2

C.

The same in both groups

D.

Too low

Solution

Greater in group 2

beacause it has the larger spread measured, [38.2-7,38.2+7 ], touchdown value of minimum, maximum are higher than group 1

B.

Greater in group 2

beacause it has the larger spread measured, [38.2-7,38.2+7 ], touchdown value of minimum, maximum are higher than group 1

Consider two separate groups of people who had their body fatness measured. The mean and standard deviation for groups 1 and 2 were 37.4% ± 4 % and 38.2% ± 7%,

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