w software to univ

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Question
Two computer companies are offering new software to universities. Let X and Y
denote the number of software installed in three major universities by these two
companies. Suppose that the variance of X is 539, the variance of Yis 754, and
the covariance of X and Yis 183.50.
a)
Calculate the correlation coefficient (p)
Select one:
a. 0.287
b. 0.857
c. None of the answers
d. 0.928
Transcribed Image Text:Two computer companies are offering new software to universities. Let X and Y denote the number of software installed in three major universities by these two companies. Suppose that the variance of X is 539, the variance of Yis 754, and the covariance of X and Yis 183.50. a) Calculate the correlation coefficient (p) Select one: a. 0.287 b. 0.857 c. None of the answers d. 0.928
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