The variance of the above binary data is, a 0.2351 b 0.2474 c 0.2605 d 0.2742
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 23PFA
Related questions
Question
The following is the gender distribution obtained from the class rosters for all sections of a statistics course. |
Female = 1, Male = 0 |
0 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 1 |
1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
1 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 0 |
0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 1 |
0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 |
1 | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 0 |
1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 |
1 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 |
0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 |
1 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 |
1 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 1 |
1 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 0 |
0 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 1 |
1 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 1 |
0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
28 | The variance of the above binary data is, | |||
a | 0.2351 | |||
b | 0.2474 | |||
c | 0.2605 | |||
d | 0.2742 |
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