Answer:
I will show the way.
Step-by-step explanation:
r is the correlation coefficient

To find SSxy
SSxy= ∑
- ∑
To find SSxx
SSxy= ∑
-
∑x
/n
To find SSyy
SSxy= ∑
-
∑y
/n
if your r is near +1, it shows strong positive correlation. Y is proportional to X.
And if it nears -1, it would show strong negative correlation. Y is inversely proportional to X.
Answer:
1 out of every 5 throws were strikes.
Step-by-step explanation:
20% is one fifth of 100%.
Answer:
58
Step-by-step explanation:
follow the pattern. The pattern is to take away 10, for each subsequent number.
Median is half of add the sum ofthe base and first side
17+5x-14=3+5x
divide it by 2
3+5x ÷2=median
(3+5x)/2=x+12
3+5x=2x+24
3x=21
x=7
Answer is D=7
Answer:
-4x-18
Step-by-step explanation:
pickle