# Question

(a) You have collected data that you think show a relationship. What do you do next?

(b) What is the advantage of computing a correlation coefficient?

(c) What two characteristics of a linear relationship are described by a correlation coefficient?

(b) What is the advantage of computing a correlation coefficient?

(c) What two characteristics of a linear relationship are described by a correlation coefficient?

## Answer to relevant Questions

In the following data, the X scores reflect participants’ rankings in a freshman class, and the Y scores reflect their rankings in a sophomore class. To what extent do these data form a linear relationship? Indicate which of the following is a correlational design and the correlation coefficient to compute. (a) We measure participants’ age and their daily cell phone usage. (b) We separate participants into three age groups, ...We find that the correlation between math ability (X ) and musical aptitude scores (Y) is r = +.44. The standard error of the estimate is SY, = 3.90. Bubbles has a math score of 60 and Foofy a score of 72. (a) Based on ...A researcher measures how positive a person’s mood is and how creative he or she is, obtaining the following interval scores: (a) Compute the statistic that summarizes this relationship. (b) What is the predicted ...(a) What does the Y intercept indicate? (b) What does the slope indicate?Post your question

0