Well...
So,
But, more importantly do you know what a is? And why this remarkable fact holds?
Jim, a talented professor, administers an achievement test to a group of his students. The mean of the distribution of the scores is 40 and the standard deviation is 8. In this distribution, a raw score of 56 would be equivalent to a z-score of:[/B]
A. +1.0
B. +2.0
C. +8.0
D. +16.0