Question

The stem and leaf plot below relates to foam heights observed when the beer was poured with the stubby at an angle of 7.5 degrees from the data set in Question 1. Use the information in this plot to answer Question 5, Question 6 and Question 7.
Stem-and-leaf of foam ht_7.5 N = 12 Leaf Unit = 1.0
1 1 9
1 2
5 2 5689
(2) 3 13
5 3 99
3 4 1
2 4 57

Answer 1

what are questions 5, 6, and 7?

Answer 2

5. Calculate the median foam height of the samples poured at 7.5 degrees
6Calculate the lower quartile (Q1) of foam height for the samples poured at 7.5 degrees

Answer 3

one second, I am doing question 5 first.

Answer 4

that is the actual questions

Answer 5

am just stuck from q 5

Answer 6

can you find the median?

Answer 7

isn't that just the "middle" number?

Answer 8

I don't understand you stem and leaf plot. It should look like this:

http://www.webquest.hawaii.edu/kahihi/mathdictionary/images/stem_leaf_graph1.gif

Answer 9

am stuck. what is the median and Q1 check file attached

Answer 10

I did check it.

Answer 11

what in the world is a three column stem and leaf plot, what math are you in?

Answer 12

http://www.minitab.com/en-US/support/answers/answer.aspx?id=1397&langType=1033

has info
@rtdfr

Answer 13

okay thanks. can you attempt 14, 15 or 16

Answer 14

I will try my best

Answer 15

my teacher skipped a lot with stem and leaf plots. I am supposed to learn more this year, but who knows? Anyways, I will tag this for someone smarter than me to look at.

Answer 16

@Luigi0210 can you help? please and many thanks!