- #1
saharalynne
- 1
- 0
-3 SD -2 SD -1 SD 80 +1SD +2 SD +3 SD
mean
65 70 75 85 90 95
The test has a mean of 80, a standard deviation of 5 and a standard error of measurement of 3.
Information given: Mean = 80 SD = 5 SEM = 3 Jim’s score = 85
I need to know the raw score, observed score, true score, ci for 68 and 95
mean
65 70 75 85 90 95
The test has a mean of 80, a standard deviation of 5 and a standard error of measurement of 3.
Information given: Mean = 80 SD = 5 SEM = 3 Jim’s score = 85
I need to know the raw score, observed score, true score, ci for 68 and 95