Answer:
3
Step-by-step explanation:

+

equals

.
First, simplify

to

and also

to

. Your problem should look like:

+

.
Second, find the least common denominator of

and

to get 9.
Third, make the denominators the same as the least common denominator (LCD). Your problem should look like:

+

.
Fourth, simplify to get the denominators the same. Your problem should look like:

+

.
Fifth, join the denominators. Your problem should look like:

.
Sixth, simplify. Your problem should look like:

, which is the answer.
Answer:
mean - 12.5
SD - 12.0
Step-by-step explanation:
Answer:
Step-by-step explanation:
Answer: A. Correlation
Step-by-step explanation: A correlation describes the relationship between two variables, so it would be A