Any set of 3 points is "coplanar".
Answer:
7 is the answer you're looking for
11.25 seems to be the answer they want, despite the lack of important information.
Answer:
Step-by-step explanation:
Solve for the mean (average) of the five test scores.
Subtract that mean from each of the five original test scores. Square each of the differences.
Find the mean (average) of each of these differences you found in Step 2.
Take the square root of this final mean from #3. This is the standard deviation.
Answer:
red
Step-by-step explanation: