I believe the answer is smaller than
Answer:
The correlation coefficient of the data set is -0.901
Step-by-step explanation:
x y xx xy yy
1 20 1 20 400
3 14 9 42 196
5 10 25 50 100
9 6 81 54 36
15 4 225 60 16
Formula :
So, Option D is true
Hence the correlation coefficient of the data set is -0.901
Answer:
It would be 7.
Step-by-step explanation:
You have to count the cubes that you can see and then the cubes you assume would be hidden behind the others. You can see 6 cubes, and we assume there's one hidden behind them.
Hope this helps!
Answer: Robert and Chris can skate 10 miles in 45 minutes.
Step-by-step explanation:
Let's start by finding the unit rate.
Robert and Chris can skate of a mile in 1 minute. Now we can multiply both by 45 to see how far the can go in 45 minutes.
45x1=45
The can skate 10 miles in 45 minutes.
I’m pretty sure that C is the right answer. You can check it through if needed