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er of persons in nold 1988 1481 2.62 1.406 037 2018 2348 2.35 1.334 028 Independent Samples Test Levene's Testfor Equalit of Variances Hest for Equality of Means 95% Confidence Interval of the Diference Mean Difference Std. Eror Difference Sig Sig. (2-tailed) Lower Upper ar of persons in noid Equal variances assumed 18.408 000 5.994 3827 00 271 045 182 360 Equal variances not assumed 5.923 3022.712 .000 271 046 .181 361

er of persons in nold 1988 1481 2.62 1.406 037 2018 2348 2.35 1.334 028 Independent Samples Test Levene's Testfor Equalit of Variances Hest for Equality of Means 95% Confidence Interval of the Diference Mean Difference Std. Eror Difference Sig Sig. (2-tailed) Lower Upper ar of persons in noid Equal variances assumed 18.408 000 5.994 3827 00 271 045 182 360 Equal variances not assumed 5.923 3022.712 .000 271 046 .181 361

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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a) Which of the following is the correct test statistic for this test? b) Degrees of freedom for this test? c) P-value for this test?
Group Statistics GSS year for this respondent Std. Error N Mean Std. Deviation Mean Number of persons in household 1988 1481 2.62 1.406 .037 2018 2348 2.35 1.334 .028 Independent Samples Test Levene's Test for Equality of Variances Hest for Equality of Means 95% Confidence Interval of the Difference Mean Std. Error Sig. df Sig. (2-tailed) Difference Difference Lower Upper Number of persons in Equal variances 18.408 O00 5.994 3827 000 271 .045 .182 360 household assumed Equal variances not assumed 5.923 3022.712 .000 271 .046 .181 361
Transcribed Image Text:Group Statistics GSS year for this respondent Std. Error N Mean Std. Deviation Mean Number of persons in household 1988 1481 2.62 1.406 .037 2018 2348 2.35 1.334 .028 Independent Samples Test Levene's Test for Equality of Variances Hest for Equality of Means 95% Confidence Interval of the Difference Mean Std. Error Sig. df Sig. (2-tailed) Difference Difference Lower Upper Number of persons in Equal variances 18.408 O00 5.994 3827 000 271 .045 .182 360 household assumed Equal variances not assumed 5.923 3022.712 .000 271 .046 .181 361
Scenario: Gary GradStudent suspects that the average household size may have increased over time as people increasingly struggle to make ends meet. Use the below output from the GSS to test his hypothesis. Group Statistics Os8 year for this Tpondent St. Emor Mean N Mean Std Destaton Number of persans in 1481 1.40 household 2DIB 2348 235 1.334 029 Independent Samples Test Lovene's Testfor Equality of Hlest lor Equalty of Meas Varan 95% Contdence intenal of the Diferance Mean St. Emor Sip. Sig. 2tated Diference Lowe Lpper Diference Number of persons in hauhd Equalvariances 18 AD 5994 27 271 045 182 360 asumed Equalvanances not assumed 5.923 3022.712 00 271 046 181 361 Question: Which of the following is the correct test statistic for this test? Ot= 18.408 O t = .271 O t = 3827 O t = 5.994
Transcribed Image Text:Scenario: Gary GradStudent suspects that the average household size may have increased over time as people increasingly struggle to make ends meet. Use the below output from the GSS to test his hypothesis. Group Statistics Os8 year for this Tpondent St. Emor Mean N Mean Std Destaton Number of persans in 1481 1.40 household 2DIB 2348 235 1.334 029 Independent Samples Test Lovene's Testfor Equality of Hlest lor Equalty of Meas Varan 95% Contdence intenal of the Diferance Mean St. Emor Sip. Sig. 2tated Diference Lowe Lpper Diference Number of persons in hauhd Equalvariances 18 AD 5994 27 271 045 182 360 asumed Equalvanances not assumed 5.923 3022.712 00 271 046 181 361 Question: Which of the following is the correct test statistic for this test? Ot= 18.408 O t = .271 O t = 3827 O t = 5.994
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