Answer:
Mean = 12
Step-by-step explanation:
The arithmetic mean of a distribution is the sum of the number of samples in the distribution divided by the number of samples in the dataset. It is a measure of central tendency. The mean is represented as follows:
false
18 is not = to 21
I think it's a c and d sorry if I'm wrong
If I'm not mistaken, the answer would be 10.
it false
trust me