q02 sc3 Name:
In a study of sources of stress for students, the following survey is being given to the MS 150 Statistics students. [Fill in the survey!]
| Table one | Response Variable |
|---|
| Sources of my stress... | Yes | Sort of | No |
|---|
| My family | | | |
| My girlfriend/boyfriend | | | |
| School work, tests, and studying | | | |
| Lack of sleep | | | |
| Other (write-in): |
- __________ What is the level of measurement for the variable in table one?
- __________ Is the variable in table one discrete or continuous?
- __________ What will be the appropriate measure of the middle for the results of the survey?
- __________ The sample mean x number of friends that a FaceBook member in MS 150 has is 471 friends. The sample standard deviation sx is 436 friends. Calculate the z-score for a member with 1978 friends.
- __________ Is 1978 friends an ordinary or extraordinary value based on the z-score?
Data on favorite colors will be presented on the white board. Use the data to answer the following questions.
- __________ What is the sample size n?
- __________ Which statistic is the most appropriate measure of the middle: the mode, median, or mean?
- __________ Using that most appropriate measure of the middle, determine or calculate the value of the middle.
- Make a nominal level frequency and relative frequency table for the data.
- Sketch a frequency histogram chart for the data.