MTH302 Business Mathematics & Statistics Assignment 2 Solution Fall 2012

Question # 1   (Marks: 10)

a) Consider 48 customers entered in a super store in a week. Find the Stem and Leaf Display for the following data:

23        20        31        22        42        25        20        24        28        33        31        21

23        37        25        27        40        21        22        20        20        20        23        31

32        18        19        22        27        22        26        22        23        23        21        41

24        20        22        18        21        34        23        32        20        25        38        23

Question # 2   (Marks: 10)

The weights and heights of 10 animals are recorded as follows:

Weight(X) Length(Y)
4 6
6 7
8 9
8 7
10 10
12 10
16 14
16 18
18 18
20 20

Find out the coefficient of correlation and also determine that whether the correlation is positive, negative or there is no correlation between the measured variables.

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