Author Question: If one fails to reject the null hypothesis in a multiple regression analysis, then one concludes ... (Read 97 times)

jasdeep_brar · **on:** Jun 20, 2018

If one fails to reject the null hypothesis in a multiple regression analysis, then one concludes

a. there is no evidence for a relation between the combination of independent variables and the dependent variable.
b. the observed relationship between the independent variables in combination and the dependent variable is greater than would be expected by chance.
c. the population correlation between X and Y is not zero.
d. the population correlation between X and Y is less than zero.

Question 2

A high negative correlation was found between days absent from school and grade achievement for middle school students. This finding means that

a. absence from school causes low achievement.
b. students who miss school more often tend to make lower grades than students who attend regularly.
c. low achievement causes high absence from school.
d. measures on the two variables do not tend to covary.