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0 0 0 0 0 Mean 9.7850 12.2365 14.4460 15.6450 13.0281 df1 mogeneity of Variances 3 Sum of Squares df2 Std. Deviation 2.96074 4.05418 5.37922 5.23052 4.96634 400.059 1548.437 1948.496 76 Sig. df .052 ANOVA 3 76 79 Descriptives Contrast Std. Error .66204 .90654 1.20283 1.16958 .55525 Mean Square 133.353 20.374 95% Confidence Interval for Mean Lower Bound 8.3993 10.3391 11.9284 13.1970 11.9229 Contrast 18 to 29 1 1 Contrast Tests Value of Contrast Contrast Coefficients AgeGroup F 6.545 Upper Bound 11.1707 14.1339 16.9636 18.0930 14.1333 30 to 39 -1 Sig. .001 Std. Error t Minimum Maximum 4.86 15.40 3.89 21.00 5.92 5.51 3.89 40 to 49 0 df 50 to 59 0 25.50 23.65 25.50 Sig. (2-tailed

0 0 0 0 0 Mean 9.7850 12.2365 14.4460 15.6450 13.0281 df1 mogeneity of Variances 3 Sum of Squares df2 Std. Deviation 2.96074 4.05418 5.37922 5.23052 4.96634 400.059 1548.437 1948.496 76 Sig. df .052 ANOVA 3 76 79 Descriptives Contrast Std. Error .66204 .90654 1.20283 1.16958 .55525 Mean Square 133.353 20.374 95% Confidence Interval for Mean Lower Bound 8.3993 10.3391 11.9284 13.1970 11.9229 Contrast 18 to 29 1 1 Contrast Tests Value of Contrast Contrast Coefficients AgeGroup F 6.545 Upper Bound 11.1707 14.1339 16.9636 18.0930 14.1333 30 to 39 -1 Sig. .001 Std. Error t Minimum Maximum 4.86 15.40 3.89 21.00 5.92 5.51 3.89 40 to 49 0 df 50 to 59 0 25.50 23.65 25.50 Sig. (2-tailed

A First Course in Probability (10th Edition)
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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How do I know when there are equal variances and what exactly does this mean? thank you. 

Question 8 The following output was generated to explore the contrasts specified by the researchers: Descriptives Depression 18 to 29 30 to 39 40 to 49 50 to 59 Total Depression Levene Statistic 2.764 Depression Test of Homogeneity of Variances N Between Groups Within Groups Total Depression Oooo 20 20 Mean 9.7850 12.2365 20 14.4460 20 15.6450 80 13.0281 df1 3 Sum of Squares df2 Std. Deviation Std. Error 2.96074 .66204 4.05418 .90654 5.37922 1.20283 1.16958 5.23052 4.96634 .55525 400.059 1548.437 1948.496 76 ANOVA df O No, the appropriate p-value is < .05 Sig. O No, the appropriate p-value is > .05 Assume equal variances 1 Does not assume equal 1 variances .052 O Yes, the appropriate p-value is > .05 Yes, the appropriate p-value is < .05 3 76 79 Contrast Contrast Mean Square 133.353 20.374 95% Confidence Interval for Mean Lower Bound 8.3993 10.3391 11.9284 13.1970 11.9229 18 to 29 1 Contrast Tests Value of Contrast Contrast Coefficients F 6.545 -2.4515 -2.4515 Based on the output provided, can we assume equal variances? Upper Bound 11.1707 14.1339 16.9636 18.0930 14.1333 Std. Error 1.42738 30 to 39 -1 1.12255 Sig. .001 AgeGroup 40 to 49 0 t -1.717 Minimum Maximum 4.86 15.40 3.89 21.00 5.92 25.50 23.65 5.51 3.89 25.50 -2.184 df 50 to 59 0 76 34.778 Sig. (2-tailed) .090 .036
Transcribed Image Text:Question 8 The following output was generated to explore the contrasts specified by the researchers: Descriptives Depression 18 to 29 30 to 39 40 to 49 50 to 59 Total Depression Levene Statistic 2.764 Depression Test of Homogeneity of Variances N Between Groups Within Groups Total Depression Oooo 20 20 Mean 9.7850 12.2365 20 14.4460 20 15.6450 80 13.0281 df1 3 Sum of Squares df2 Std. Deviation Std. Error 2.96074 .66204 4.05418 .90654 5.37922 1.20283 1.16958 5.23052 4.96634 .55525 400.059 1548.437 1948.496 76 ANOVA df O No, the appropriate p-value is < .05 Sig. O No, the appropriate p-value is > .05 Assume equal variances 1 Does not assume equal 1 variances .052 O Yes, the appropriate p-value is > .05 Yes, the appropriate p-value is < .05 3 76 79 Contrast Contrast Mean Square 133.353 20.374 95% Confidence Interval for Mean Lower Bound 8.3993 10.3391 11.9284 13.1970 11.9229 18 to 29 1 Contrast Tests Value of Contrast Contrast Coefficients F 6.545 -2.4515 -2.4515 Based on the output provided, can we assume equal variances? Upper Bound 11.1707 14.1339 16.9636 18.0930 14.1333 Std. Error 1.42738 30 to 39 -1 1.12255 Sig. .001 AgeGroup 40 to 49 0 t -1.717 Minimum Maximum 4.86 15.40 3.89 21.00 5.92 25.50 23.65 5.51 3.89 25.50 -2.184 df 50 to 59 0 76 34.778 Sig. (2-tailed) .090 .036
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