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A statistics Instructor wonders whether significant differences exist in her students' average exam scores in her three different sections. She randomly selects the scores from 10 students in each section. A portion of the data is shown in the accompanying table. Assume exam scores are normally distributed. (You may find it useful to reference the E table.) Click here for the Excel Data File Section Section 2 Section 50 56 82 76 70 1 00 65 a. Construct an ANOVA table. (Round Intermedlate calculations to at least 4 decimal places. Round "SS", "MS", "p-value" to 4 decimal places and "P" to 3 decimal places.) ANOVA Source of Variation Between Groups Within Groups Total SS df MS p-value

A statistics Instructor wonders whether significant differences exist in her students' average exam scores in her three different sections. She randomly selects the scores from 10 students in each section. A portion of the data is shown in the accompanying table. Assume exam scores are normally distributed. (You may find it useful to reference the E table.) Click here for the Excel Data File Section Section 2 Section 50 56 82 76 70 1 00 65 a. Construct an ANOVA table. (Round Intermedlate calculations to at least 4 decimal places. Round "SS", "MS", "p-value" to 4 decimal places and "P" to 3 decimal places.) ANOVA Source of Variation Between Groups Within Groups Total SS df MS p-value

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 statistics Instructor wonders whether significant differences exist in her students' average exam scores in her three different sections. She randomly selects the scores from 10 students in each section. A portion of the data is shown in the accompanying table. Assume exam scores are normally distributed. (You may find it useful to reference the E table.) Click here for the Excel Data File Section 1 Section 2 50 56 89 66 70 i Section 82 76 i 65 a. Construct an ANOVA table. (Round Intermediate calculations to at least 4 decimal places. Round "SS", "MS", "p-value" to 4 decimal places and "P" to 3 decimal places.) ANOVA Source of Variation Between Groups Within Groups Total SS df MS p-value
Transcribed Image Text:A statistics Instructor wonders whether significant differences exist in her students' average exam scores in her three different sections. She randomly selects the scores from 10 students in each section. A portion of the data is shown in the accompanying table. Assume exam scores are normally distributed. (You may find it useful to reference the E table.) Click here for the Excel Data File Section 1 Section 2 50 56 89 66 70 i Section 82 76 i 65 a. Construct an ANOVA table. (Round Intermediate calculations to at least 4 decimal places. Round "SS", "MS", "p-value" to 4 decimal places and "P" to 3 decimal places.) ANOVA Source of Variation Between Groups Within Groups Total SS df MS p-value
b. Do these data provide enough evidence at the 5% significance level to indicate that there are some differences in average exam scores among these three sections? O Yes, since the p-value is less than significance level. O Yes, since the p-value is not less than significance level. O No. since the p-value is less than significance level. O No. since the p-value is not less than significance level. Show Transcribed Text 1 2 3 4 5 6 7 8 9 10 11 12 A Section 1 50 89 66 79 84 65 57 70 79 66 B Section 2 56 70 85 72 70 76 51 77 60 88 с Section 3 82 76 88 93 69 59 63 59 70 65 D
Transcribed Image Text:b. Do these data provide enough evidence at the 5% significance level to indicate that there are some differences in average exam scores among these three sections? O Yes, since the p-value is less than significance level. O Yes, since the p-value is not less than significance level. O No. since the p-value is less than significance level. O No. since the p-value is not less than significance level. Show Transcribed Text 1 2 3 4 5 6 7 8 9 10 11 12 A Section 1 50 89 66 79 84 65 57 70 79 66 B Section 2 56 70 85 72 70 76 51 77 60 88 с Section 3 82 76 88 93 69 59 63 59 70 65 D
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