WGU C955 - Module 5: Descriptive Statistics for Two Variables questions with correct answers
The relationship between the two variables on a scatterplot can be measured by what statistic? {{ Scatterplot of sales on the x-axis and profit index on the y-axis. }} a Correlation coefficient ( r ) b Regression c ANOVA d Chi-square CORRECT ANSWER Correlation coefficient ( r ) A study was completed to investigate if commutes of longer than 30 minutes increased the risk of burnout. The results of the study are in the table below. ,Lenth of Commute ,30 Minutes ,30 Minutes ,Total Risk of Burnout ,Negative for Burnout ,185 ,72 ,257 ,Positive for Burnout ,98 ,247 ,345 ,Total ,283 ,319 ,602 What percentage of commuters with commutes greater than 30 minutes expressed being burned out? a 66.39% b 77.43% c 81.62% d 70.74% CORRECT ANSWER 77.43% Describe the relationship of the two variables on the scatterplot.
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