A random sample of 30 students in STA1548 test are as follows: 18 20 21 27 29 20 19 30 32 19 34 19 24 29 18 37 38 22 30 39 32 44 33 46 54 49 18 51 21 21
a. Construct the stem and leaf plot.
b. Calculate measures of central tendency.
c. Calculate the coefficient of variation.
d. Draw the box and whisker plot.
e. Draw the Ogive graph.