The correlation between Hours Sleep and Quiz score of the 60 students in your statistics class Is r = -0.34.Which of these possible conclusions is justified:
A)The more you sleep, the better your quiz score will be.
B)The form of the relationship between Hours Sleep and Quiz score is moderately straight.
C)There are several outliers that explain the low correlation.
D)If we measure Sleep in minutes rather than hours, the correlation will increase.
E)There exists a moderately stong, negative association between Gours Sleep and Quiz score.

Question

Quizplus · Accepted Answer

The correlation coefficient r = -0.34 indicates a negative association between Hours Sleep and Quiz score, meaning as one variable increases, the other tends to decrease. However, the value of -0.34 suggests this association is not very strong, hence "moderately strong" might be a bit of an overstatement, but it's the closest to indicating the correct direction (negative) and existence of an association among the provided options.

The Correlation Between Hours Sleep and Quiz Score of the 60