Calculate measures of dispersion for age


Assignment:

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BASIC STATISTICAL MEASURES

1. The following data were collected from 10 individuals:

Age

Number of past jobs

Current job status

Income

25

1

employed

30,000

34

2

unemployed

40,000

29

2

employed

40,200

38

2

unemployed

45,000

44

1

employed

52,000

49

4

unemployed

25,000

55

4

employed

80,000

23

3

unemployed

120,000

44

2

employed

120,000

44

3

unemployed

38,000

1. Calculate the mean, median, and mode for "Age" (with SPSS).

2. Calculate measures of dispersion for "Age" (with SPSS).

3. Calculate Skewness and Kurtosis for "Income" (with SPSS). Is this variable skewed? If so, what kind of skew?

4. Prepare a frequency distribution for the data of "number of past jobs." Plot it (bar chart).

5. Given the provided income distribution (and assuming normality), what would be the z-score for someone who earns $40,000/year? $100,000/year?

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Basic Statistics: Calculate measures of dispersion for age
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