Homework 3Remember that must show your work to receive full credit.1. A research team examined whether conscientiousness predicts job performance. Theygathered data from 50 participants and found that, on average, more conscientious peopleperformed better at their jobs, r 36, p<.05.a. What does the absolute value of the correlation tell us?b. What is the sign of the correlation? What does it tell us?c.What would the Model A/C comparison be for this statistical test?d. What are the values of PRE and F for this analysis?27e.What are the degrees of freedom? That is, what are PA-PC and N-PA?

Answered: Homework 3 Remember that must show your…

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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Homework 3
Remember that must show your work to receive full credit.
1. A research team examined whether conscientiousness predicts job performance. They
gathered data from 50 participants and found that, on average, more conscientious people
performed better at their jobs, r 36, p<.05.
a. What does the absolute value of the correlation tell us?
b. What is the sign of the correlation? What does it tell us?
c.
What would the Model A/C comparison be for this statistical test?
d. What are the values of PRE and F for this analysis?
27
e.
What are the degrees of freedom? That is, what are PA-PC and N-PA?

Expert Solution

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The correlation coefficient is the relation between variables. The correlation coefficient is between $- 1$ and 1.

The p value gives us the information whether to accept the null hypothesis or not. If the p-value is greater than the level of significance, hence we fail to reject the null hypothesis.