In: Statistics and Probability
Fifty randomly selected students were asked the number of speeding tickets they have had. The results are as follows:
Tickets | Frequency |
---|---|
0 | 8 |
1 | 15 |
2 | 21 |
3 | 3 |
4 | 2 |
5 | 0 |
6 | 1 |
Round your answers to two decimal places.
The mean is:
The median is:
The sample standard deviation is:
The first quartile is:
The third quartile is:
What percent of the respondents have had at most 2 speeding tickets?
6% of all respondents have had at least how many speeding tickets?