A sociologist is interested in the relation between x = number of job changes and y =
Question:
Complete parts (a) through (c), given x = 60, y = 359, x2 = 442, y2 = 13,013, and xy = 2231.
(a) Draw a scatter diagram for the data.
(c) Find the sample correlation coefficient r and the coefficient of determination r2. What percentage of variation in y is explained by the least-squares model?
(d) If someone had x = 2 job changes, what does the least-squares line predict for y, the annual salary?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Related Book For
Understanding Basic Statistics
ISBN: 9781111827021
6th Edition
Authors: Charles Henry Brase, Corrinne Pellillo Brase
Question Posted: