Find the Pearson r(correlation coefficient value r) for the correlation between the number of hours students slept the night before a test and their test score. Round your answer up to two decimal places. Hours Test slept(X) Score(Y) 8 83 7 86 7 74 8 88 6 76 5 63 7 90 4 60 9 89 7 81 Use the formula:r = Ν Σ ΧΥ-(Σ Χ) (ΣΥ) [NE X - Σ x) [Ν ΣΥ-(ΣΥ) ΣΥ = 790 ΣΧ2 = 482 ΣΥ? = 63, 432 Σ Χ = 68 XY = 5,497 ZOOM })) given and
Find the Pearson r(correlation coefficient value r) for the correlation between the number of hours students slept the night before a test and their test score. Round your answer up to two decimal places. Hours Test slept(X) Score(Y) 8 83 7 86 7 74 8 88 6 76 5 63 7 90 4 60 9 89 7 81 Use the formula:r = Ν Σ ΧΥ-(Σ Χ) (ΣΥ) [NE X - Σ x) [Ν ΣΥ-(ΣΥ) ΣΥ = 790 ΣΧ2 = 482 ΣΥ? = 63, 432 Σ Χ = 68 XY = 5,497 ZOOM })) given and
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question

Transcribed Image Text:Find the Pearson r(correlation coefficient value r) for the correlation
between the number of hours students slept the night before a test and
their test score. Round your answer up to two decimal places.
Hours Test
slept(X) Score(Y)
8
83
7
86
7
74
8
88
6
76
5
63
7
90
4
60
6
89
7
81
Use the formula :r
ΣΥ
Σ Χ = 68
XY = 5,497
Ν Σ ΧΥ-(Σ Χ) (ΣΥ)
VN Σ x - Σ x) [Ν ΣΥ-(ΣΥ)
= 790 ΣΧ2 = 482 ΣY = 63, 432
ZOOM
)))
given
and
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 3 steps with 1 images

Recommended textbooks for you

MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc

Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning

MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc

Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning

Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON

The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman

Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman