MS 150 Statistics | Test 01 | 02 September 2011 Name:

1. _______________ What is the level of measurement for the data in table one?
2. __________ What is the sample size n for the data in table one?
3. _______________ For the type of data in table one, what would be the appropriate statistic for measuring the middle?
   
   
   Table two contains data on the favorite foods of students in MS 150 Statistics.
   
4. _______________ What is the level of measurement for the data in table two?
5. __________ What is the sample size n for the data in table two?
6. __________ What is the mode for the data in table two?

7. table three
   Ace Commercial
   24.33
   24.95
   26.12
   27.75
   28.10
   33.58
   43.11
   47.51
   55.80
   94.33

   Grocery shopping
   
   The data in table three is the amount of money spent per visit to Ace Commercial since 03 May 2011.
   
   _______________ What level of measurement is the data in table three?
8. __________ Calculate the sample size n.
9. __________ Calculate the minimum.
10. __________ Calculate the maximum.
11. __________ Calculate the range.
12. __________ Calculate the midrange.
13. __________ Calculate the mode.
14. __________ Calculate the median.
15. __________ Calculate the sample mean x.
16. __________ Calculate the sample standard deviation sx.
17. __________ Calculate the sample coefficient of variation CV.
18. __________ If the data set is divided into five classes, what is the width of a single class?
19. Determine the frequency and calculate the relative frequency for table three using five classes. Record your results in the table provided.
    

    Class upper limits	Frequency F	Rel. Freq.
    Sums:

20. Sketch a frequency histogram, labeling your horizontal axis and vertical axis as appropriate.
21. What is the shape of the histogram?
22. __________ Using the above statistics for the data in table three, calculate the z-score for $94.33.
23. __________ Is $94.33 an ordinary or extraordinary expenditure?