Q1) Recognize the situation in which median rather than the mean is favoured measure of? Central tendency?
Q2) One question on student survey asks: In typical week, how many times do you eat at fast food restaurant? Following frequency distribution table summarizes results for a sample of n=20 students.
|
Number of times per week
|
f
|
|
5 or more
|
2
|
|
4
|
2
|
|
3
|
3
|
|
2
|
6
|
|
1
|
4
|
|
0
|
3
|
a) Determine the mode for this distribution.
b) Determine median for the distribution.
c) Describe why you can't calculate the mean number of times using data in the table.