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Thursday 7 June 2012

MTH302 Assignment # 2 Spring 2012 Idea Solution


Assignment # 2
MTH302 (Spring 2012)
Total marks: 20
Lecture # 23 to 29
Due date:14-06-2012
Question No. 1:
In a Rice Mill the weights (in Kilograms) of 50 packets are given below:
ObservationsFrequency
104
155
209
4016
608
805
1003
Find the Mean and Mode. Also, find the Median using the Empirical Relationships of Mean, Median and Mode.
Question No. 2:
Suppose that the manager of a company wants to know if there exists any correlation between the sales of the product A and the product B. Suppose that he selects a random sample of the total sales of these products in  different days of the month. If you are a manager, then how will you calculate the correlation coefficient? (Use Manual Formula)
Days of
the month
Total sale of
the product A
Total sale of
the product B
1st day
4th day
7th day
10th day
15th day
18th day
22nd day
25th day
27th day
30th day