Math 3 Quiz
20 questions · no time limit
0:00
STATISTICS & PROBABILITY
Question 1 of 20
No time limit
Current
Answered
Flagged
Not seen
PASSAGE
A researcher studied the relationship between daily exercise time and sleep quality scores among 200 college students. The correlation coefficient was r = 0.42, with a p-value of 0.003. Students who exercised more than 60 minutes daily had an average sleep quality score of 7.8 (on a 10-point scale), while those exercising less than 30 minutes daily averaged 6.1.
Which statement most appropriately communicates the conclusions from this study?
YOUR PROGRESS
20
QUESTIONS
Ready when you are
Answer in any order. Your progress shows here as you go.
QUESTIONS
KEYBOARD
Pick an answer ABCD
Next question ↵→
Previous ←
Flag for review F
Answers save as you go · flagged questions come back at the end