Homework SourseIn a population with N4 the value of yi are 135 and 8 Calcul
In a population with N=4 the value of yi are 1,3,5, and 8. Calculate the sample mean y bar for all possible simplele random samples of size 2
Solution
Consider the table of all the possible samples:
| y1 | y2 | ybar |
| 1 | 1 | 1 |
| 1 | 3 | 2 |
| 1 | 5 | 3 |
| 1 | 8 | 4.5 |
| 3 | 1 | 2 |
| 3 | 3 | 3 |
| 3 | 5 | 4 |
| 3 | 8 | 5.5 |
| 5 | 1 | 3 |
| 5 | 3 | 4 |
| 5 | 5 | 5 |
| 5 | 8 | 6.5 |
| 8 | 1 | 4.5 |
| 8 | 3 | 5.5 |
| 8 | 5 | 6.5 |
| 8 | 8 | 8 |
