In Exercise, (a) Draw a scatter diagram; (b) Determine the value of r, rounded to the nearest

Question:

In Exercise,

(a) Draw a scatter diagram;

(b) Determine the value of r, rounded to the nearest thousandth;

(c) Determine whether a correlation exists at α = 0.05;

(d) Determine whether a correlation exists at α = 0.01.

x                      y
90 . . . . . . . . . 90
70 . . . . . . . . . 70
65 . . . . . . . . . 65
60 . . . . . . . . . 60
50 . . . . . . . . . 50
40 . . . . . . . . . 40
15 . . . . . . . . . 15

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question

A Survey Of Mathematics With Applications

ISBN: 9780135740460

11th Edition

Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde

Question Posted: