Regression analysis was applied between sales data (in $1,000s) and advertising data (in $100s) and the following information was obtained: y=12+1.8x, n=17, ssr=225, sse=75, and sb=0.2683. based on the information provided, if advertising is $3,000, then the point estimate for sales (in dollars) is

a. $66,000
b. $5,412
c. $66
d. $17,400
e. none of the above answers is correct

Which fraction below is equivalent to 10/12?

17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.

Landon wrote that 3−2.6=4. which statement about his answer is true?