Question

What is the mean of the data set?
A: 393
B: 402
C: 407
D: 410

Answer 1

This is the set

Answer 2

Well the sum of all the values divided by the number of values in the set is the mean :)

Answer 3

I know that but i'm confused with the way it's set up

Answer 4

Well in this particular form, it's called a steam-and-leaf plot :)
The data set holds the values;
393, 399, 402, 402, 407, 410, 424, 425 and 428

Answer 5

Okay, thank you for explaining it to me :)

Answer 6

Yep >.<