Discuss the below:
Q: The number of cars that travel through an intersection between noon and 1pm is measured for 30 consecutive days. The results of the 30 observations are: 61,62,63,63,64,64,66,66,67,68,68,68,68,69,69,69,69,70,70,70,70,71,71,72,73,74,74,75,76,and 79
Find:
a.) Range
b.) Standard Deviation
c.) The population standard deviation
d.) Variances for sample and population