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Use the following frequency distribution to determine the midpoint of the second class.
A. 17.0

B. 19.5

C. 16.5

D. 18.5

Use the following frequency distribution to determine the midpoint of the second class A 170 B 195 C 165 D 185 class=

Respuesta :

syed514
Class         Frequency    Mid-point
13-15           7            13+15/2=20.516-18           4            16+18/2=1719-21           3            19+21/2=2022-24           5            22+24/2=2325-27           7            25+27/2=2628-30           7            28+30/2=29

(16+18)/2 = 17
So, the answer is A (17).

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