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STATS Multiple Choice Questions

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Question;1- The correlation coefficient for two variables was r = 0.5357. According to this data, it is classified as a correlation.a. strong positiveb. weak positivec. moderate positive2- The correlation coefficient for two variables was: r = -0.253. According to this data, it is classified as a correlationa. Poor or weak negativeb. invalid or nonexistentc. moderate negative3- It is used in order to predict the values of a dependent variable based on the values of at least one independent variable.a. scatterplotb. determination coefficientc. Correlation Analysis4- The independent variable is plotted on the axis "x" and dependent on the axis "y"a. Correlation Analysisb. Regression Analysisc. scatterplot5- It is equal to the sum of the squares regression of the sum of squares totala. scatterplotb. determination coefficientc. Correlation Analysis6- Given the following regression equation: y = 16 - 0.5x, where x = 6 the predicted value of "y" is:a.16b.15c.137- Given the following regression equation: y = -2.5x - 7 when x = -2, the predicted value of "y" is:a. -2b. -12c. 28- If the sum of squares regression SCR = 3.6 and the total sum of squares ScT = 9, the coefficient of determination is:a. 0.60b. 0.409- If the sum of squares regression SCR = 33 and the sum of squares SCT = 44, the coefficient of determination isa. 0.70b. 0.75

 

Paper#61717 | Written in 18-Jul-2015

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