Question

Which graphical display is best used to organize numerical data in ascending order?

scatter plot
line graph
box-and-whisker plot
stem-and-leaf plot


What is the interquartile range of the box-and-whisker plot shown?
54
45
43
34

Answer 1

@Chumpian

Answer 2

1. scatter plot but not 100% sure

Answer 3

2. idk :(

Answer 4

okay:(

Answer 5

For the first part, it depends on the data, if both x and y are ascending, or x is ascending and y is not, etc.
For B, the ends of the boxes are the quartiles (left=1st quartile), right(3rd quartile).
Figure out the quartiles, and take the difference.

Answer 6

@math mate for number two i got 29 but its not a choice i dont think i fully understand

Answer 7

for a my assumption was scatter and chumpian agreed so i put that but i still dont get what you ment

Answer 8

@mathmate ****

Answer 9

For first part, you can plot any x-y scatter plot whether they are in ascending order or not. So order is not relevant.
Line graph would require the x-coord. to be ordered, but makes sense only if the plot is some kind of a function and not random data.
Box and whisker plot for a one dimensional data from which you need to sort and look for the quartiles, and extremes. Order is useful.
Stem and leaf is also for one-dimensional data.
Quesion is not clear as to the data is one- or two-dimensional, and the word "best" is not very mathematical, IMHO, so creates confusion.
Glad you got the right answer.

For part B, examine the box plot and identify the x-coordinates of the two ends of the box, and take the difference. Read very carefully, and if you don't get the right answer, post the two numbers you read!

Answer 10

difference 34?

Answer 11

@mathmate

Answer 12

can you post the two values, please?

Answer 13

32 66

Answer 14

Excellent, 34 is correct!

Answer 15

:0 thank you

Answer 16

You're welcome! :)