You wish to determine if there is a positive linear correlation between the two variables at a significance level of a = 0.01. You have the following bivariate data set. X y 55.8 12 53 16.9 59.5 33.9 83.1 55.9 53.2 1.4 56.9 10.9 41.3 2.5 78.2 36.9 76 12.3 58.6 5.7 52.1 36.2 48.2 4.9 62.9 29.7 58.5 40.3 81.9 24.4 What is the correlation coefficient for this data set? To find the p-value for a correlation coefficient, you need to convert to a t-score: r² (n − 2) 1-² This t-score is from a t-distribution with n-2 degrees of freedom. t What is the p-value for this correlation coefficient? p-value = Your final conclusion is that... O There is insufficient sample evidence to support the claim the there is a positive correlation between the two variables. There is sufficient sample evidence to support the claim that there is a statistically significant positive correlation between the two variables. Note: In your calculations, round both r and t to 3 decimal places in ALL calculations.

You wish to determine if there is a positive linear correlation between the two variables at a significance level of a = 0.01. You have the following bivariate data set. X y 55.8 12 53 16.9 59.5 33.9 83.1 55.9 53.2 1.4 56.9 10.9 41.3 2.5 78.2 36.9 76 12.3 58.6 5.7 52.1 36.2 48.2 4.9 62.9 29.7 58.5 40.3 81.9 24.4 What is the correlation coefficient for this data set? To find the p-value for a correlation coefficient, you need to convert to a t-score: r² (n − 2) 1-² This t-score is from a t-distribution with n-2 degrees of freedom. t What is the p-value for this correlation coefficient? p-value = Your final conclusion is that... O There is insufficient sample evidence to support the claim the there is a positive correlation between the two variables. There is sufficient sample evidence to support the claim that there is a statistically significant positive correlation between the two variables. Note: In your calculations, round both r and t to 3 decimal places in ALL calculations.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

x	y
55.8	12
53	16.9
59.5	33.9
83.1	55.9
53.2	1.4
56.9	10.9
41.3	2.5
78.2	36.9
76	12.3
58.6	5.7
52.1	36.2
48.2	4.9
62.9	29.7
58.5	40.3
81.9	24.4

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