2One of the major measures of the quality of service provide

2.One of the major measures of the quality of service provided by any organization is the speed with which it responds to customer complaints. A large family-held department store selling furniture and flooring, including carpet, had undergone a major expansion in the past several years. In particular, the flooring department had expanded from 2 installation crews to an installation supervisor, a measurer and 15 installation crews. A sample of 10 complaints concerning carpet installation was selected during a recent year. The following data represent the number of days between the receipt of complaint and the resolution of the complaint.(Furniture.xls)

a)Form the frequency distribution and the percentage distribution.

b)Plot the histogram and percentage polygon.

c)Form the cumulative percentage distribution and plot the ogive(cumulative percentage polygon)

d)Compute the mean, median, first quartile and third quartile.

e)Compute the range, interquartile range, variance, standard deviation and coefficient of variation.

f)Construct a box-and-whisker plot. Are the data skewed.

g)On the basis of results, if you had to tell the president of the company how long a customer should expect to wait to have a complaint resolved, what would you say? Explain.

Solution

Plaese provide the data set. there is no data set available