A sample has a mean of M 87 and a standard deviation of s
A sample has a mean of M = 87 and a standard deviation of s = 5. For this sample, find the X value corresponding to each of the following z-scores. (Answer as a whole number.)
X Z
2.2
1.2
2.4
-0.4
-0.8
-0.6
Solution
Note that
x = M + z*s
Thus,
| x | z |
| 98 | 2.2 |
| 93 | 1.2 |
| 99 | 2.4 |
| 85 | -0.4 |
| 83 | -0.8 |
| 84 | -0.6 |
