A polling company wants to test the time (in minutes) required to run two different versions of a new survey questionnaire to prepare costing options for its client. They select a random sample of 9 respondents and administer version A to them. A week later, they recontact the same respondents and administer them version B. The results (in minutes) to complete the two versions of the questionnaire for each respondent is presented in the Assign2Data.xlsx file. (a) Which approach is more appropriate to analyse these data - a paired data approach or two independent samples approach? Explain. I (b) Explain whether a parametric or nonparametric test is more appropriate to test if
A polling company wants to test the time (in minutes) required to run two different versions of a new survey questionnaire to prepare costing options for its client. They select a random sample of 9 respondents and administer version A to them. A week later, they recontact the same respondents and administer them version B. The results (in minutes) to complete the two versions of the questionnaire for each respondent is presented in the Assign2Data.xlsx file. (a) Which approach is more appropriate to analyse these data - a paired data approach or two independent samples approach? Explain. I (b) Explain whether a parametric or nonparametric test is more appropriate to test if
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.2: Representing Data
Problem 22PFA
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