Question

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

Answer 1

Class Frequency Mid-point

13-15 7 13+15/2=20.5
16-18 4 16+18/2=17
19-21 3 19+21/2=20
22-24 5 22+24/2=23
25-27 7 25+27/2=26
28-30 7 28+30/2=29

Answer 2

A. 17.0

B. 19.5

C. 16.5

D. 18.5

Answer 3

the second class, just for 16-18
(16+18)/2 = 17

Answer 4

So Its A ?

Answer 5

Thank You . :)