Question

Please I need help now..............please.............

The number of litres of petrol purchased by a random sample of motor vehicle drivers is shown below:
Questions:
a)Find the mean
b)Find the standard deviation
c)Find the unbiased estimates of the mean and variance for the population this sample comes from.​

Answer 1

C

Explanation:

let me know if I am right or wrong thanks hope this helps :)