Highlights
1. Sigma Ltd., an Airplane manufacturing company wants to draw a network for their project. The following information is available. Draw the project for Sigma Ltd.
| Activity | A | B | C | D | E | F | G | H | I | J | K |
| Pre-requisite Activity | A | A | C | B,C | D,E | E | G | D,F | IH | J |
2. Find out Mean and Standard Deviation from the following:
| Age | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 |
| Death | 15 | 50 | 53 | 75 | 100 | 110 | 115 | 125 |
3. The following data relate to the scores obtained by 9 salesmen of a company in an intelligence test and their weekly sales in thousand rupees:
| Salesmen | A | B | C | D | E | F | G | H | I |
| Intelligence Scores | 50 | 60 | 50 | 60 | 80 | 50 | 80 | 40 | 70 |
| Weekly Sales | 30 | 60 | 40 | 50 | 60 | 30 | 70 | 50 | 60 |
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