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Use the following tables to answer questions 11.1 - 11.3 Test of Homogeneity of Variances Injury Severity (0-100) Levene Statistic d12 Sig. 891 3 26
Use the following tables to answer questions 11.1 - 11.3 Test of Homogeneity of Variances Injury Severity (0-100) Levene Statistic d12 Sig. 891 3 26 459 ANOVA Injury Severity (0-100) Bum of Squares df Mean Square Sig. Between Groups 180.617 3 393.539 3.317 000 Within Groups 4356.583 26 167.561 Total 8537.200 29 Multiple Comparisons Dependent Variable: Injury Severity (0-1 00) Gabriel Mean 5% Confidence Interval 'll Type of Superhero "JJ Type of Superhero Difference U- Costume Costume Sad. Error Sig Lower Bound Upper Bound Spiderman Superman -10 70032 5.99005 .070 30.4621 1.0455 Hulk 6 25000 6.47227 907 12.0855 24.5855 Ninja Turtle 15 37500 6.47227 138 2.9805 33.7105 Superman Spiderman 18 70833 6.99085 070 1.0455 38.4621 Hull 24 95833 6.99085 00 5.2045 44.7121 Ninja Turtle 34.08333 6.99085 14.3285 53.8371 Hulk Spiderman 6 25000 5.47227 .907 24.5855 12.0855 Superman -24.95833 6.99085 .008 -44.7121 -5.2045 Ninja Turtle 9.12500 6.47227 650 .9.21 05 27.4605 Ninja Turtle Spiderman 15 37500 5.47227 138 32.7105 2.9605 Superman 34 08332 6.49085 53.8371 14.3295 Hulk 9 12500 6.47227 650 -27.4605 9.2105 . The mean difference is significant at the 0.05 level. 11.1. Has the assumption of homogeneity of variance been met? How do you know? Report significance value. We look at the significance level. The F-statistic of the Lexene's test for homogeneity is 0.891 with the corresponding p-value of .459. Since p-value is greater than 0.05, we do not reject the null hypothesis and say that the variance is homogeneous across groups. Page 4 of 21 11.2. What can you determine from the ANOVA table about the effect of superhero costume on injury severity? Report the ANOVA results in APA format. A one-way analysis of variance has been conducted to compare the population mean severity of injuries among children wearing four different types of superhero costume. The test indicated a significant effect of superhero costume on severity of injuries, E(3, 26) =8.317, p <.001. the most dangerous costume is superman as level of severity injuries in this greater than spiderman .07 hulk .008 and ninja turtle .001 comparison what can you conclude about specific costumes impact on injury>
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