z-score= (given value - mean)/sd
.52 = (given value - 20)/4
solve for "given value" , let me know what you get, and I will verify.
Suppose a normal distribution has a mean of 20 and a standard deviation of 4.
What is the z-score value 0.52. Its standard deviations is less than the mean?
-0.13
0.13
help please
1 answer
1 answer