Question

A. In a given normal distribution, the sample mean is 75 and the sample standard deviation is 4. Find the corresponding standard score of the following values:
1. 69
2. 85
3. 70
4. 65
B. In a given normal distribution, the population standard deviation is 2.5. Find the corresponding standard score of the following values:
5. 78
6. 84
7. 76
8. 85
C. In a given normal distribution, the population mean is 60 and the population standard deviation is 3.2. Find the corresponding standard score of the following values:
9. 56
10. 74
11. 68
12. 52

Answer 1

Z = (score-mean)/SD

Insert values and solve for Z.

Need mean value for B.

Answer 2

In a given normal distribution, the sample mean is 75 and the sample standard deviation is 4. Find the corresponding standard score of the following values: a. 69 b. 85 c. 70 d. 65

Answer 3

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