Question

If there are 18 values in a data set in order from smallest to largest, what is the median of the data set?

A. The mean of the 8th and 9th values
B. The 9th value
C. The 8th value
D. The mean of the 9th and 10th values

Answer 1

if the number of data is even then the median is the mean of the middle 2 numbers

Answer 2

so you need to figure out the 2 middle numbers.

Answer 3

Hint: divide 18 by 2

Answer 4

that will give you the lower of the 2 middle numbers

Answer 5

9

Answer 6

there you go
so now you can choose the correct option...

Answer 7

the 9th is the lower number so next one is what?

Answer 8

what comes after 9?

Answer 9

10?

Answer 10

r u there?

Answer 11

Yes sorry

Answer 12

@welshfella

Answer 13

so which is the right option?

Answer 14

9th and 10th value

Answer 15

yes the median is the mean of the 9th and 10th value.

Answer 16

Thanks @welshfella

Answer 17

yw