In: Statistics and Probability
A recent survey asked students to rate their stress-level during the first week of classes. Students responded on a scale from 1 to 8 wherein 1 was almost no stress and 8 being stressed to the max. Students responses to the survey are illustrated in the table below.
.
| .. Score . x... | .. Frequency . f .. | 
| 1 | 2 | 
| 2 | 4 | 
| 3 | 7 | 
| 4 | 4 | 
| 5 | 4 | 
| 6 | 1 | 
| 7 | 6 | 
| 8 | 2 | 
.
Using the table information, answer the following:
How many students were surveyed?
What is the mean stress rating? Use 2 decimals in your answer.
What is the median stress rating? Use 2 decimals in your answer.
What is the mode of this data set?
What is the range of this data set?