Question: Boydson Shipping Company owns and operates a fleet of tanker ships that carry commodities between various countries of the world. In the past six months, the company has had 10 contracts that called for shipments between Vancouver, Canada and London, England. For many reasons, the travel time varies between these two locations. The scheduling manager collects data on 7 of these shipping times and is interested in knowing some basic descriptive statistics. The shipping times collected are as follows: (5, 7, 5, 9, 7, 4, 6). Please assist him by answering the questions below.

a. Calculate the mean.

b. Calculate the median

c. Calculate the mode.

d. Calculate the range.

e. Calculate the variance.

f. Calculate the standard deviation.

g. Calculate Q₁, Q₂, and Q₃.

h. Calculate the IQR.

i. Create a boxplot of the data and be certain to label each number of the “5-number summary”.