Consider the plot created from the residuals of a line of best fit for a set of data.

Does the residual plot show that the line of best fit is
appropriate for the data?

O Yes, the points have no pattern,
O Yes, the points are evenly distributed about the x-
axis
O No, the points are in a linear pattern,
O No, the points are in a curved pattern.

Point r divides in the ratio 1 : 3. if the x-coordinate of r is -1 and the x-coordinate of p is -3, what is the x-coordinate of q? a. b. 3 c. 5 d. 6 e. -9

Agroup of student volunteers participates in a study designed to assess several behavioral interventions for improving output in a repetitive task. prior to the beginning of the study, all volunteers unknowingly observed, and their output is measured. at the beginning of the study, prior to any intervention, the volunteers perform the same task under the observation of a study administrator, and their overall output increases. which of the following terms describes this phenomenon? a. simpson's paradox b. hawthorne effect are d. novelty effect d. pygmalion effect e. observer-expectancy effect

What is the scale factor of axyz to auvw?