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a. Is there a significant difference on the ratings of the respondents on Product Line-X11) when grouped according to Industry Type - X2? T-Test for Letter A Group Statistics

a. Is there a significant difference on the ratings of the respondents on Product Line-X11) when grouped according to Industry Type - X2? T-Test for Letter A Group Statistics

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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a. Is there a significant difference on the ratings of the respondents on Product Line - X11) when grouped according to Industry Type - X2? T-Test for Letter A Group Statistics X2 - Industry Type N Mean Std. Deviation Std. Error Mean X11 - Product Line Magazine industry 52 5.925 Newsprint industry 48 5.675 1.2706 .1762 1.3634 .1968 X11 - Product Line assumed Equal variances Equal variances not assumed Levene's Test for Equality of Variances .152 Independent Samples Test Sig. t .697.949 df 98 .946 95.815 Sig. (2- tailed) .345 .346 t-test for Equality of Means Mean Difference .2500 .2500 Std. Error Difference .2634 .2641 95% Confidence Interval of the Difference Lower -.2727 -.2743 Upper .7727 .7743 b. Is there a significant difference on the ratings of the respondents on New Product - X15) when grouped according to Industry Type - X2? T-Test for Letter B Group Statistics X2 - Industry Type N Mean Std. Deviation Std. Error Mean X15 - New Products Magazine industry 52 5.506 1.3451 Newsprint industry 48 4.765 1.5623 .1865 .2255 X15 - New Products Equal variances assumed Equal variances not assumed Levene's Test for Equality of Variances F Independent Samples Test .471 Sig. .494 2.548 df 98 2.533 93.138 Sig. (2- tailed) .012 .013 t-test for Equality of Means Mean Difference .7412 .7412 Std. Error Difference .2909 .2926 95% Confidence Interval of the Difference Lower .1639 .1601 Upper 1.3184 1.3223
Transcribed Image Text:a. Is there a significant difference on the ratings of the respondents on Product Line - X11) when grouped according to Industry Type - X2? T-Test for Letter A Group Statistics X2 - Industry Type N Mean Std. Deviation Std. Error Mean X11 - Product Line Magazine industry 52 5.925 Newsprint industry 48 5.675 1.2706 .1762 1.3634 .1968 X11 - Product Line assumed Equal variances Equal variances not assumed Levene's Test for Equality of Variances .152 Independent Samples Test Sig. t .697.949 df 98 .946 95.815 Sig. (2- tailed) .345 .346 t-test for Equality of Means Mean Difference .2500 .2500 Std. Error Difference .2634 .2641 95% Confidence Interval of the Difference Lower -.2727 -.2743 Upper .7727 .7743 b. Is there a significant difference on the ratings of the respondents on New Product - X15) when grouped according to Industry Type - X2? T-Test for Letter B Group Statistics X2 - Industry Type N Mean Std. Deviation Std. Error Mean X15 - New Products Magazine industry 52 5.506 1.3451 Newsprint industry 48 4.765 1.5623 .1865 .2255 X15 - New Products Equal variances assumed Equal variances not assumed Levene's Test for Equality of Variances F Independent Samples Test .471 Sig. .494 2.548 df 98 2.533 93.138 Sig. (2- tailed) .012 .013 t-test for Equality of Means Mean Difference .7412 .7412 Std. Error Difference .2909 .2926 95% Confidence Interval of the Difference Lower .1639 .1601 Upper 1.3184 1.3223
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