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Prof. Karunashankar Sidhu gave this assignment at Institute of Mathematical Sciences for Basic Mathematics course. It includes: Gross, Renumeration, Emperical, Relationship, Observation, Frequency, Mean, Media, Mode
Typology: Exercises
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MTH302 (Spring 2012)
Total marks: 20 Lecture # 23 to 29 Due date:14-06-
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Question No. 1:
In a Rice Mill the weights (in Kilograms) of 50 packets are given below:
Observations Frequency 10 4 15 5 20 9 40 16 60 8 80 5 100 3
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 10 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 1 st^ day 15 16 4 th^ day 14 13 7 th^ day (^10 ) 10 th^ day 18 19 15 th^ day 15 13 18 th^ day (^20 ) 22 nd^ day 16 15 25 th^ day 15 17 27 th^ day 12 16 30 th^ day 13 17