Question: Consider the hourly payments of a random sample of employees of a food processing plant given in Diagrams below:
150, 200, 225, 160, 182, 185, 190, 177, 182, 195, 178, 140, 180, 190, 194, 155, 163, 202, 168, 170, 130, 210, 199, 174, 188, 193, 175, 165, 245, 220, 205, 180, 145, 179, 190, 215, 210, 235,245, 195.
a. Organize the data in ascending order
b. Find the median and the mode
c. Find the first and third quartiles
d. Calculate the mean and standard deviations of the sample.
e. Construct a bar chart using interval size of 10 dirhams
f. Find out if the distribution of hourly rates is left or right skewed.
g. How are the mean and median related in your distribution?