Question

Medal as reward.


For the data shown in the stem-and-leaf plot, what is the effect on the mean and median of adding the value 30 to the data set?



A.
The mean is increased by about 0.4 and the median is increased by 3.

B.
The mean is increased by about 0.4 and the median is increased by 4.

C.
The mean is increased by about 0.6 and the median is increased by 3.

D.
The mean is increased by about 0.6 and the median is increased by 4.

Answer 1

@ilovecandy101 @Atsie @tHe_FiZiCx99 @OpenStudy9

Answer 2

@xMissAlyCatx

Answer 3

@mathmale @MathHelpPls

Answer 4

I would calculate the mean and median of the stem and leaf plot before and after 30 is added. Then check the difference between the median and mean of the before and after. Does this make sense?

Answer 5

no..i just did this today and i really don't get it, is it ok iff you help me from scratch on this question?

Answer 6

@MathHelpPls

Answer 7

Okay. I'm working with someone to get help for me too, but I will do my best. Do you know how to calculate mean?

Answer 8

sorry i got the answer my dad helped me and i get it, but heres medal for trying :D

Answer 9

Great! Anytime.

Answer 10

Sorry, I didn't come I wasn't online :C