Answer:
I think we have to use commas in lists because if we didn't it would be all together and it would be more hard to read.
Step-by-step explanation:
I hope this helps
The answer for this question would be and is 20.
Answer:
Variability
Step-by-step explanation:
Mean absolute deviation (MAD) of a data set is the average distance between each data value and the mean. Mean absolute deviation is a way to describe variation in a data set. Mean absolute deviation helps us get a sense of how "spread out" the values in a data set are.
Answer:
9x+15
Step-by-step explanation: