Question14 Multiple Choice 1 point
Of the following, which is true of Pearson's correlation coefficient, $r$ ? $r$ cannot be less than 0 or greater than 1 $r=0$ indicates a perfect correlation between $x$ and $y$ $|r|$ is greater than 1.0 unless the points on a scatterplot line up exactly The value of $r$ does not depend on the units of $y$ and $x$. 15 Multiple Choice 1 point
You're reviewing data from a study comparing preferences in young children with perceptions of typical gender behav calculated least squares regression line.
While you are performing your analysis, one of the experimenters notifies you that the circled data point may have been (circled) point and notice that both the $y$-intercept and slope of the regression line changed. Which of the following accurately describes the suspect (circled) point? I. The suspect data point had the potential for being an influential observation because its $x$-value was far away fron II. The suspect data point was confirmed as an influential observation because its removal changed the regression lin III. The suspect data point was confirmed as an influential observation because its removal changed the regression li II and III only