Question

The average number of emails received each day by two groups of people is shown below:

Group A: 3, 2, 1, 1, 2, 4, 2, 2, 3, 3, 4
Group B: 4, 2, 200, 2, 2, 1, 2, 3, 1, 3, 3

Which statement best describes the mean and median of the data shown above?

Answer 1

a.) The median number of emails received by people of group A is higher because of the absence of an outlier.

b.) The median number of emails received by people of group B is higher because of the presence of an outlier.

c.) The mean number of emails received by people of group B is higher because of the presence of an outlier.

d.)The mean number of emails received by people of group A is higher because of the absence of an outlier.

Answer 2

the outlier 200 affects the mean of group B... causing the mean to be higher than necessary

Answer 3

so wouldnt it be c. becuse you said the mean would be effected but the median wont @campbell_st

Answer 4

thats correct,,, the mean with 200 included is 223/11

without the outlier the mean is 23/10

Answer 5

thanks