Question 4 4 pts For each of the following studies, select the appropriate metho

Question

Question 4 4 pts For each of the following studies, select the appropriate method of analyzing the data. A group of 18 recently hired sales trainees were randomly assigned to one of two different "home rooms" - 9 trainees per room. Each room is identical except for wall color. The two colors used were light green and red. A psychologist wants to know whether room color has an effect on attitude; and, if so, she wants to compare the mean attitude scores of the trainees assigned to the two room colors (Green, Red). O A simple linear regression analysis to predict attitude score O A confidence interval for the proportion of trainees in the Green room. O Analysis of variance (ANOVA), with a single factor at 9 levels. O At-test comparing the population mean attitude scores of the two rooms

Explanation / Answer

option D) a t-test comparing the population mean attitude scores of two rooms

as we want to compare two levels

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