Answer:
i think it is A but i am not sure
Step-by-step explanation:
hope i helped
Answer:
I think B is the correct answer, sorry im not very good with math tho.
Step-by-step explanation:
Sorry if its incorrect
Answer:
the answer is 21
Step-by-step explanation:
the number she thinks of is 21 add 21 + 19 to get 40.
divide 40 by 5 to get 8.
Answer:
The sets could be 5, 5, 5, 5, 5 and 0, 10, 20, -10, 5
Step-by-step explanation:
Standard deviations are a measure of how far the average point is away from the mean. In the first example, each term is exactly the mean. In the second set, some are quite a distance from the mean and therefore, it would have a bigger standard deviation.