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.

help i will fan and medal
here is the link
http://static.k12.com/calms_media/media/1417500_1418000/1417693/1/1349366d505f54d9f968044c6fe97ec47facad

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.

help i will fan and medal 
here is the link 
http://static.k12.com/calms_media/media/1417500_1418000/1417693/1/1349366d505f54d9f968044c6fe97ec47facad

anonymous · Answer

@ParthKohli  
can you help me ?