Assignment 7

Variance and Standard Deviation

 

Labor force participation rates (percent employed), percent high school graduate, and mean income for males and females in 10 states are reported below. Calculate a mean and a standard deviation for both groups for each variable. (Calculate manually using N instead of N-1)

 

 

Labor force participation

%High school graduates

Mean income

State

Male

Female

Male

Female

Male

Female

A

73.9

54.2

65

67

35,623

27,345

B

81.1

63.2

57

60

32,345

28,134

C

80.9

59.9

72

76

35,789

30,546

D

76.6

59.9

77

75

38,907

31,788

E

80.0

60.8

75

74

42,023

35,560

F

74.1

51.5

70

72

34,000

35,980

G

73.5

50.6

68

66

25,800

19,001

H

77.6

54.9

70

71

29,000

26,603

I

77.4

54.1

66

66

31,145

30,550

J

80.1

75.2

72

75

34,334

29,117