Assignment 8

Variance and Standard Deviation

 

% employed, % high school graduates, and % minority 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. You can take a picture of your hand written answers. You can also type in a Word or Excel file.)

 

  %Employment   %High school grad   % Minority  
State Male Female Male Female Male Female
A 50 45 55 43 10 11
B 70 47 45 60 32 29
C 66 66 72 76 35 25
D 88 56 43 55 10 8
E 49 53 54 74 8 9
F 75 32 33 72 9 14
G 75 45 40 78 14 15
H 80 67 70 71 15 16
I 67 72 66 66 7 13
J 80 67 72 75 10 10

 

 

Follow the following format for the first variable “Labor force participation-Male”:

 

State

X

(Xi-mean)

(Xi-mean)2

A

50

50-mean

B

70

C

66

D

88

E

49

F

75

G

75

H

80

I

67

J

80

Total

 

 

Repeat the above for all other variables.

 

Show your assignment to the instructor during the lab hours. Deposit your assignment into Blackboard later. Do not include any unnecessary or wrong output.