Question

Current Score:-0 Due : Tuesday, July 3 2018 1159 PM Extension RequestsPrint Assignment Question 12 34 -8-8-8-02-50(0.0%) Description This assignment covers correlation and simple linear regression. You have 5 attempts per question, unless otherwise noted For this assignment, you submit answers by question parts. The umber of submissions remaining for each question part only changes if you submit or change the answer Your last submission is used for your score -5 points If two quantitative variables are positively correlated, this implies that... (select all that apply; you have 5 attempts) O The response variable is always positive O The response variable is always negative O The response variable tends to increase when the predictor variable decreases O The response variable tends to decrease when the predictor variable decreases O The LOBF for the data is horizontal O The LOBF for the data is vertical O The LOBF is upward sloping O The LOBF is downward sloping The p-value is less than 0.05 O The p-value is greater than 0.05 The p-value is equal to 0.05

Answer 1

$\bullet \textup{ The response variable tends to decrease when the predictor variable decreases}$

$\bullet \textup{ The LOBF for the data is upward sloping}$

$\bullet ~r>0$

$\bullet \textup{ The }p-\textup{value is less than 0.05}$

Positive correlation implies that both variables increase or decrease together, which in other words would imply that the Line of Best Fit is upward sloping. Also, the correlation coefficient is positive in such a case. Finally, p-value should be less than 0.05, since we have a significant result for the slope parameter.