Question

What is the interquartile range of the following data set?

78, 90, 456, 676, 111, 381, 21

Answer 1

Answers here 65


57


378


291

Answer 2

Do you know what IQR is?

Answer 3

Not a clue

Answer 4

First step:
Order the data in ascending order, can you do that?

Answer 5

Im trying to do this class because of my grade. My teacher screwed me, long story short. Im a A student in other subjects

Answer 6

Least to greatest?

Answer 7

Yes

Answer 8

21, 78, 90, 111,381,456, 676

Answer 9

Good
Next step: Identify two halves and find the median of lower half and the upper half.
Since the number of terms is odd, you will ignore the middle number.

Answer 10

So add both together?

Answer 11

So you have 3 numbers in each half. What are the medians of each? Median is the number in the middle.

Answer 12

78 and 456

Answer 13

subtract them?

Answer 14

Yes, please

Answer 15

378

Answer 16

Thank you so much. I should be posting another one soon

Answer 17

You are welcome!