Answer and Explanation
Your Answer is
Correct Answer is F
Explanation
Substitute the number 2 = (x - 78) ÷ 6 to get x = 90
20. For a given set of data, the standard score, z, corresponding to the raw score, x, is given by z = 
, where μ is the mean of the set and σ is the standard deviation. If, for a set of scores, μ = 78 and σ = 6, which of the following is the raw score, x, corresponding to z = 2 ?