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.

Question

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.

anonymous · Answer

here is the data http://static.k12.com/calms_media/media/1417500_1418000/1417693/1/1349366d505f54d9f968044c6fe97ec47facad33/FGA_130917_261016.jpg

anonymous · Answer

@shay16  plz help

anonymous · Answer

im not sure  @andrewhaze  wat do u think

anonymous · Answer

mode median and mean are difficult

andrewhaze · Answer

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

andrewhaze · Answer

so their for its A

anonymous · Answer

thx @andrewhaze

anonymous · Answer

thx @andrewhaze