Question

A box-and-whisker plot is created for the following data set: 2, 4, 6, 8, 10, 12, 14. Which of the data items below could be increased by 1 without changing the plot?

Answer 1

I'm guessind its 2?

Answer 2

2 changes the range

Answer 3

oh ok

Answer 4

first and last; and q1,q2,q3 have to remain unchanged

Answer 5

so there are 5 elements that cant change

Answer 6

the choices are 2,4,6,8

Answer 7

well, 8 is the median so that has to remain
2 and 14 are the ends so they have to remain the same

define the q1 and q3

Answer 8

4 and 6?

Answer 9

there are 7 elements

q1 = 7/4 = 2.xx; or 3rd number

q3 = 3*7/4 = 5.xx; or the 6th number

Answer 10

2, 4, 6, 8, 10, 12, 14.
^ ^ ^ ^ ^

those have to remain the same

Answer 11

so the answer is 4

Answer 12

yes

Answer 13

YAY thanks!

Answer 14

let me chk my senility first

Answer 15

7/4 is not 2.xx its 1.xx so the 2nd potiion is q1

Answer 16

2, 4, 6, 8, 10, 12, 14.
^ ^ ^ ^ ^

thats better

Answer 17

id go with 6 :)

Answer 18

ok

Answer 19

next time i try to divde 7 by 4 and get over 2 .... let me know ;)

Answer 20

ok i will