Find the Correlation Coefficient $0.2015$ B) $-0.2241$ C) $-0.6781$

Multiple Choice

Find the correlation coefficient.
-The test scores of 6 randomly picked students and the number of hours they prepared are as follows:

A) $0.2015$
B) $-0.2241$
C) $-0.6781$
D) $0.6039$