How do you work out the mean mark ?

Mathematics

1 answer:

sattari [20]3 years ago

4 0

Answer:

The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.

Step-by-step explanation:

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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.

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$\text{Mean}=\frac{\text{Sum of terms}}{\text{Number of terms}}$