Question

Question No.1
Mileage figures for 80 company owned cars are shown in table. Calculate mean and the standard deviation of miles per gallon.

Miles per gallon
16.0-17.9
18.0 - 19.9
20.0 -21.9
22.0 - 23.9
24.0 - 25.9
Number of cars
27
22
15
10
6
​

Answer 1

Answer:

sorry I have no answer for this question