Question 1

(a) Consider the viscosity data set shown in Table Q1(a).

Determine the following sample statistics:

Mean. Median, Mode, Standard deviation. Variance, Range. First

quartile. Third quartile. Inter-quartile range, Coefficient of Variation.

Calculate the 90 percentile.

If the skewness statistic of the data set in Table Q1(a) is 0.16, comment on the

data distribution.

Determine whether the "bus waiting time" is a discrete or continuous random

variable.