Mean 1001 206 Levene's Test for Equality of Variances Sig. 15.578 <.001 .510 1.402 df Sig. (2-tailed) 1205 .014 261.832 035 -3.168 -3.168 Std. Error Difference 3. Do Whites spend a significantly different amount of time on the internet (WWWHR) than Blacks? Group Statistics Std. Error Race of respondent N Std. Deviation Mean Www.hours per week WHITE 13.29) (16.124) BLACK 16.46 20.120 Independent Samples Test t-test for Equality of Means Mean t Difference Www hours per week -2.455 Equal variances assumed -2.124 Equal variances not assumed 1.291 1.492 95% Confidence Interval of the Difference Lower Upper -5.701 -6.106 -.636 -.231

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Related questions
Question
Mean
1001
206
Levene's Test for Equality of
Variances
Sig.
15.578
<.001
.510
1.402
df Sig. (2-tailed)
1205
.014
261.832
035
-3.168
-3.168
Std. Error
Difference
3. Do Whites spend a significantly different amount of time on the internet (WWWHR) than Blacks?
Group Statistics
Std. Error
Race of respondent
N
Std. Deviation
Mean
Www.hours per week
WHITE
13.29)
(16.124)
BLACK
16.46
20.120
Independent Samples Test
t-test for Equality of Means
Mean
t
Difference
Www hours per week
-2.455
Equal variances
assumed
-2.124
Equal variances not
assumed
1.291
1.492
95% Confidence Interval of the
Difference
Lower
Upper
-5.701
-6.106
-.636
-.231
Transcribed Image Text:Mean 1001 206 Levene's Test for Equality of Variances Sig. 15.578 <.001 .510 1.402 df Sig. (2-tailed) 1205 .014 261.832 035 -3.168 -3.168 Std. Error Difference 3. Do Whites spend a significantly different amount of time on the internet (WWWHR) than Blacks? Group Statistics Std. Error Race of respondent N Std. Deviation Mean Www.hours per week WHITE 13.29) (16.124) BLACK 16.46 20.120 Independent Samples Test t-test for Equality of Means Mean t Difference Www hours per week -2.455 Equal variances assumed -2.124 Equal variances not assumed 1.291 1.492 95% Confidence Interval of the Difference Lower Upper -5.701 -6.106 -.636 -.231
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