We have been given that a colleague has been tutoring six students in 11th grade to prepare for the ACT. Student scores were as follows: 20, 18, 16, 15, 23, 20. We are asked to find the mean of the ACT scores.
We will use mean formula to solve our given problem.




Upon rounding to nearest whole number, we will get:

Therefore, the mean of the ACT scores is 19 and option 'c' is the correct choice.
About 8,456.17849
Rounded: 8,456.18
Answer:
subtract them
Step-by-step explanation:
In algebra, symbols are used to represent numbers. Example: 5x=20 or 4x=24