Question

find the mean and median for each data set. is there an outlier? if so what is it?

1. populations of us cities

stem | leaf
0 | 2 3 3 3 4 4 4 6 6 8
1 |
2 |
3 | 8
key: 3|8 = 3,800,000
what is the outlier? 38
mean with outlier 10
median with outlier 4
mean without outlier 4.3
median without outlier 4
mean effect? 10
median effect? no change
find the median and mean for each data set.
6)
school | appearances
new mexico | 15
florida state | 14
basketball tournament
school | appearances
southern california | 15
west virginia | 26
school | appearances
evansville | 5
texas southern | 6

Explanation:

Answer:

For question 5:

Outlier: 3,800,000
Mean with outlier: 1,000,000
Median with outlier: 400,000
Mean without outlier: 430,000
Median without outlier: 400,000
Mean effect: The outlier increases the mean by 570,000
Median effect: No change

For question 6:

Mean: 13.5
Median: 14.5