Question
In a distribution of scores, X=62 corresponds to z=+0.50, and X=52 corrsponds to z=-2.00. Find the mean and standard deviation for the distribution.
Answers
PsyDAG
62 - 52 = 10
10 = 2.5 SD (from -2 to +.5)
SD = 4
Z = (X - μ)/SD
Insert one value to find μ, and use other other value to check.
10 = 2.5 SD (from -2 to +.5)
SD = 4
Z = (X - μ)/SD
Insert one value to find μ, and use other other value to check.