a) make a table including frequency,

a) make a table including frequency,

relative frequency, percent frequency and cumulative relative frequency

b) create the frequency distribution, frequency histogram and frequency polygon

c) find the central tendency measurements (the mean, mod and median) and standard deviation of the data set

d) assuming that the data set distributed normally, find the tolerance intervals corresponding the one, two, and three standard deviation of the mean

e) find the coefficient of variation of these data set