Question

Select all the correct answers.

Answer 1

Answer: B and D or 2 and 4

Step-by-step explanation:

1. is NOT correct as the mean absolute deviation is 22 not 15

2. is CORRECT the mean absolute deviation is 18

the mean of A is 216

the mean of B is 215

one tenth of 215/216 is 21.5/21.6 that is about the absolute mean deviation which 18/22

Which makes one tenth the wrong answer.

This is also makes one twentieth the correct answer

Answer 2

Answer:

B i think

Step-by-step explanation:

i think its B because all the other ones don'e look right. hope its correct. :)