For a sample of n = 100 scores, X = 45 corresponds to z = 0.50 ...

[Arii_bell]

For a sample of n = 100 scores, X = 45 corresponds to z = 0.50 and X = 52 corresponds to z = +1.00 . What are the values for the sample mean and standard deviation?
 
  a. M = 31 and s = 7 c. M = 38 and s = 7
  b. M = 31 and s = 14 d. M = 38 and s = 14

Question 2

For a sample of n = 30 scores, X = 45 corresponds to z = 1.50 and X = 40 corresponds to z = +1.00 . What are the values for the sample mean and standard deviation?
 
  a. M = 35 and s = 10 c. M = 35 and s = 15
  b. M = 30 and s = 15 d. M = 30 and s = 10

[Jevvish]

Answer to Question 1

D

Answer to Question 2

D

[Arii_bell]

TYSM

[TheNamesImani]

Excellent