SOC 390 SPSS Assignment Z-Scores

Question 1

3 / 3 pts

You have collected data on happiness from a sample of 25 college students, examining how happy they are across different domains of their lives. Their scores represent summed totals of your happiness scale. To begin, use SPSS to calculate the mean, median, and standard deviation of the “happiness” variable. Enter each value rounded to two decimal places (i.e., 10.01, not 10, not 10.0, not 10.011):

Mean:

Median:

Standard deviation:

Answer 1:

37.52

Answer 2:

38.00

Answer 3:

9.76

Question 2

1 / 1 pts

Using the values that you generated above, what z-score would you assign to a person with a “happiness” score of 20?

34.15

9.76

+2.00

-1.80

Question 3

1 / 1 pts

Using SPSS, transform all of the scores for the “happiness” variable into z-scores. What is the z-score for participant #16 in your data set (this should be the 16th row, NOT a raw score of 16)?

1.48

.56

-.77

1.38

Question 4

1 / 1 pts

Using the z-scores that you generated, you can determine that a person with a z-score of .46 would have a raw score on the happiness scale of:

30

42

16

55

IncorrectQuestion 5

0 / 1 pts

In this data set, a z-score will be positive if the participant’s score on the happiness scale is greater than ______ . Enter your answer two decimal places (i.e., 10.01, not 10, not 10.0, not 10.011).

Question 6

1 / 1 pts

Use SPSS to calculate the mean for your new z-score variable (“Zhappiness”). What is the mean of this variable? Enter your answer as a whole number with no decimal places (i.e., 10, not 10.01, not 10.1).

Question 7

1 / 1 pts

The largest score in this data set is _____ standard deviations above the mean. Enter your answer rounded to two decimal places (i.e., 10.01, not 10, not 10.1, not 10.011).

Question 8

1 / 1 pts

Using the values that you generated in the first step of this assignment, a person with a z-score of +3 in this distribution would have a happiness score of _______ . Enter your answer rounded to two decimal places (i.e., 10.01, not 10, not 10.1, not 10.011).

Quiz Score: 9 out of 10