Question

What is the mean of Variable A? Express answer to one decimal place.

Answer 1

http://static.k12.com/calms_media/media/1547500_1548000/1547923/3/2d1e3fc91493aa218b52d4698bb4feadfd296c0f/MS_IMC-1401006-100875.jpg

Answer 2

I would first list the points as ordered pairs (x,y)
the mean of variable A will be the mean of the x values

Answer 3

i got 4.125 but i dont know it thats right.

Answer 4

can you list the ordered pairs here

Answer 5

yeah but is 4.125 right

Answer 6

@josedavid

Answer 7

I would have to write out the list the ordered pairs to check

Answer 8

I got (1,6) , (2,4) (3,2) (3,5) ( 4,5) (5,9) (7,8) (8,7)
please check

Answer 9

Mean of A is equal to the mean of the x values
Mean A = ( 1 + 2 + 3 + 3 + 4 + 5 + 7 + 8) / 8

Answer 10

I got 4.125 , so you are correct

Answer 11

which is 4.1 to one decimal

Answer 12

yes i done that and got 4.125

Answer 13

okay thank you, so 4.1 because one decimal