The profit distribution of two companies A and B are given below: Profit (million Rs.) 0 - 2 2 - 4 4 - 6 6 - 8 8 - 10 10 - 12 No. of Item A 2 7 11 20…
BBS Business Statistics · 2083 · Solved Question with Answer
The profit distribution of two companies A and B are given below:
| Profit (million Rs.) | 0 - 2 | 2 - 4 | 4 - 6 | 6 - 8 | 8 - 10 | 10 - 12 |
| No. of Item A | 2 | 7 | 11 | 20 | 7 | 3 |
| No. of Item B | 5 | 4 | 9 | 13 | 15 | 4 |
a) An investor wants to invest according to the profit of the company, which company shows more consistent on the basis of profit.
b) Also find the combined standard deviation.