Mean is the average number. To find mean, add all the numbers and divide by how many numbers there are.

There are 9 numbers. Divide by 9

Question 6 ⇒ C. 84.44
Median is the middle number when ordered from least to greatest. First order the numbers.

The 2 middle numbers are 10 and 11. Add them together and divide by 2

Question 7 ⇒ D. 10.5
Answer:
2/3
Step-by-step explanation:
2 • 9 = 18
3 • 9 = 27
2/3 is equal to 18/27. All you have to do is multiply 9 to the numerator and the denominator for proof.
Hope this helps :)
3. True
4. False
5. False
6. True
7. False
I dont know numbers 1, 2, or 8.
1/5+w=7 1/3 7 1/3-1/5
-1/5 -1/5 7 5/15-3/15= 7 2/15
w= 7 2/15