Statistics Question
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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a.
The value of r(correlation) between x and y is 0.959 and it is calculated by Excel function, “=CORREL(E1:E5,F1:F5)”. Here, the column E represents (x) and the column F represents (y).
Critical value:
From the given information, the sample size is 5.
The degree of freedom is, n – 2 = 5–2 =3.
Let us consider the level of significance is 0.05.
From the given table, the critical value corresponding with 3 degrees of freedom and level 0.05 is 0.880.
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