quiz1
khalifa123
Midterm.pdf
Name: _______________________
Midterm
Page 1 of 3
Men
69
64
59
68
81
65
65
64
66
71
1. What is the mean score for men? (10 points)
2. What is the standard deviation score for men? (10 points)
3. Describe the difference between reliability and validity. (10 points)
4. What type of measurement 32 degrees Celsius? (10 points)
5.What is a bell curve and normal score? (10 points)
Name: _______________________
Page 2 of 3
6.Convert the men’s persuasiveness scores into z scores. (20 points)
Men Verbal
Z scores Men
59
64
64
65
65
66
68
69
71
81
7. Using the Z scores in question 5 above, use the z table to find the area under the curve. (20 points)
Men Verbal
Area Under the curve Men
59
64
64
65
65
66
68
69
71
81
Name: _______________________
Page 3 of 3
8. Bill scored an 85 on test 1. The mean score for the class was 88 and the standard deviation was 5. He score an 85 on test 2. The mean score for the class was 87 and the standard deviation was 5. Which test did he score better on, A or B? Why? (10 Points)
