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a adoo m paloud ypea o oo (sunoy u) aun adeuae an Project-1 20 26 Proఆలి 28 Project-3 20 26 19 23 24 31 22 27 22 @ Use these data to test if the population mean times differ for the three projects. Level of significance is given as 0.5. (i) At the 0.5 level of significance, test for the equality of the means for project 1 and 3 (using Fisher's LSD method).

a adoo m paloud ypea o oo (sunoy u) aun adeuae an Project-1 20 26 Proఆలి 28 Project-3 20 26 19 23 24 31 22 27 22 @ Use these data to test if the population mean times differ for the three projects. Level of significance is given as 0.5. (i) At the 0.5 level of significance, test for the equality of the means for project 1 and 3 (using Fisher's LSD method).

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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Three projects were chosen to finish the same task. The following table shows the average time (in hours) took for each project to complete the task Project-1 20 Project-2 28 Project-3 20 19 26 26 24 22 31 23 27 22 0 Use these data to test if the population mean times differ for the three projects. Level of significance is given as 0.5. (At the 0.5 level of significance, test for the equality of the means for project 1 and 3 (using Fisher's LSD method). (in) Develop a 95% confidence interval estimate of the difference between the means for projects 1 and project 2 (using Fisher's LSD method). Do NOT use EXCEL al ) Do not reject the null hypothesis (There does not appear to be any significant difference () -8.54 to -1.46 b) O Reject the null hypothesis ) There does not appear to be any significant difference ( 10.54 to-3.46 aM Do not reject the null hypothesis (1) There does not appear to be any significant difference (iii) -10.54 to-3.46 O) Reject the null hypothesis (ii) There does not appear to be any significant difference (i)-8.54 to -1.46 (O e) None of the answers are correct
Transcribed Image Text:Three projects were chosen to finish the same task. The following table shows the average time (in hours) took for each project to complete the task Project-1 20 Project-2 28 Project-3 20 19 26 26 24 22 31 23 27 22 0 Use these data to test if the population mean times differ for the three projects. Level of significance is given as 0.5. (At the 0.5 level of significance, test for the equality of the means for project 1 and 3 (using Fisher's LSD method). (in) Develop a 95% confidence interval estimate of the difference between the means for projects 1 and project 2 (using Fisher's LSD method). Do NOT use EXCEL al ) Do not reject the null hypothesis (There does not appear to be any significant difference () -8.54 to -1.46 b) O Reject the null hypothesis ) There does not appear to be any significant difference ( 10.54 to-3.46 aM Do not reject the null hypothesis (1) There does not appear to be any significant difference (iii) -10.54 to-3.46 O) Reject the null hypothesis (ii) There does not appear to be any significant difference (i)-8.54 to -1.46 (O e) None of the answers are correct
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