22. Referring to Figure 1, which one of the following statements is false?There is a moderate to strong positive association between Rating and Complaints.ⒸA decrease in Complaints is associated with, on average, a decrease in Rating.The department with the largest Complaints percentage also has the largest Rating percentage.OTwo departments have a Complaints percentage below 50%.The majority of departments have a Rating above 50%. A survey of employees at a large financial organisation was conducted to determine the overall sentimenttowards various aspects of how the company operates. 30 randomly selected departments in theorganisation participated in the study. Every employee in these 30 randomly selected departments filledin a questionnaire, and the data were aggregated to calculate the following two variables of interest:Rating The percentage of favourableresponses (in each department)to the overall running of thecompany.ComplaintsThe percentage of favourableresponses (in eachdepartment) to how the companyhandles employee complaintsSource: Chatterjee, S. and Price, B. (1977) Regression Analysis by Example. New York: Wiley. (Section3.7, p.68ff of 2nd ed. (1991).)A simple linear regression was conducted. A scatter plot of Rating versus Complaints is shown inFigure 1 and the results of the regression analysis are shown in Table 1.Rating807060504040Model1Figure 1: Rating versus Complaints.50(Constant)Complaintsa. Dependent Variable: RatingTable 1: Regression output.Unstandardized CoefficientsBStd. Error14.376.755Rating versus Complaints6.62009860Complaints.CoefficientsStandardizedCoefficientsBeta.82570t2.1727.737Sig..039.000●809095.0% Confidence Interval for BLower Bound Upper Bound27.937.954.816.555

The scatterplot of “Complaints” and “Rating” is given.

Answered: Referring to Figure 1, which one of the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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