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For each variable: Construct a frequency distribution Calculate appropriate meas

ID: 3055717 • Letter: F

Question

For each variable:

Construct a frequency distribution

Calculate appropriate measures of central tendency

Calculate appropriate measures of dispersion

Survey Items:

1. What is your age in years? (Values are actual ages.)

2. Educational level

                                0. Less than HS

                                1. High School

                                2. Jr. College

                                3. Bachelor's degree

                                4. Graduate school

3. Gender

                                1. Male

                                2. Female

4. "White people have a right to keep Blacks out of their neighborhoods. "

                                1. Agree strongly

                                2. Agree slightly

                                3. Disagree slightly

                                4. Disagree strongly

Segregated

Case     Age    Degree    Sex    Neighborhoods

1             29           3              2                            4

2             38           3            2                            4

3             63           2            2                            4

4             30           1            1                            3

5             38           1            1                            2

6             48           3            1                            3

7             28           1            2                            2

8             30           3            2                            2

9             25           0            2                            3

10            35           1            1                            4

11            73           0            2                            3

12            55           3            1                            4

13            70           4            2                            4

14            50           1            2                            1

15            62           0            1                            2

16            45           3            1                            2

17            45           2            2                            4

18            35           1            1                            2

19            74           1            2                            4

20            32           0            1                            1

21            36           1            1                            4

22            29           1            2                            2

23            42           3            2                            1

24            40           1            2                            4

25            35           1            2                            3

26            68           3            2                            4

27            38           1            2                            2

28            32             2            2                            4

29            50           0            2                            3

30            26           1            2                            4

Explanation / Answer

Mean= Ex/n

Median=(n+1)/2 value

Q1=(n+1)/4

Q3=3(n+1)/4

Age   

Degree   

Sex   

Neighborhoods

29

3

2

4

38

3

2

4

63

2

2

4

30

1

1

3

38

1

1

2

48

3

1

3

28

1

2

2

30

3

2

2

25

0

2

3

35

1

1

4

73

0

2

3

55

3

1

4

70

4

2

4

50

1

2

1

62

0

1

2

45

3

1

2

45

2

2

4

35

1

1

2

74

1

2

4

32

0

1

1

36

1

1

4

29

1

2

2

42

3

2

1

40

1

2

4

35

1

2

3

68

3

2

4

38

1

2

2

32

2

2

4

50

0

2

3

26

1

2

4

43.367

1.56667

1.666666667

2.966666667

Mean

38

1

2

3

Median

38

1

2

4

Mode

25

0

1

1

Min

74

4

2

4

Max

49

4

1

3

Range

31.5

1

1

2

Q1

51.25

3

2

4

Q3

19.75

2

1

2

IQR

Age

Freq

25-29

5

30-34

4

35-39

7

40-44

2

45-49

3

50-54

2

55-59

1

60-64

2

65-69

1

70-74

3

Age   

Degree   

Sex   

Neighborhoods

29

3

2

4

38

3

2

4

63

2

2

4

30

1

1

3

38

1

1

2

48

3

1

3

28

1

2

2

30

3

2

2

25

0

2

3

35

1

1

4

73

0

2

3

55

3

1

4

70

4

2

4

50

1

2

1

62

0

1

2

45

3

1

2

45

2

2

4

35

1

1

2

74

1

2

4

32

0

1

1

36

1

1

4

29

1

2

2

42

3

2

1

40

1

2

4

35

1

2

3

68

3

2

4

38

1

2

2

32

2

2

4

50

0

2

3

26

1

2

4

43.367

1.56667

1.666666667

2.966666667

Mean

38

1

2

3

Median

38

1

2

4

Mode

25

0

1

1

Min

74

4

2

4

Max

49

4

1

3

Range

31.5

1

1

2

Q1

51.25

3

2

4

Q3

19.75

2

1

2

IQR