Assignment # 2
MTH302 (Spring 2012)
Total marks: 20
Lecture # 23 to 29
Due date:14-06-2012
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:
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 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
|