1. A sample of scores has a mean of = 65 and = 15. Find the z-scores that correspond to the following vector of X values: 50, 80, 0, 95, 35

2.A sample of scores has a mean of = 35 and = 6. Find the z-scores that correspond to the following vector of Y values: 41, 32, 38, 44, 45, 36, 27

3. A population of scores has a mean of = 35 and = 3.5. Find the z-scores that correspond to the following vector of raw scores: 27, 29.5, 34.3, 35, 45, 47.5

4. We have a distribution with a mean of = 78.0 and = 12.5. Find the raw score equivalents for the following vector of z-scores: -3.10, -1.55, -1.00, 0.55, 1.76. 2.33, 3.90