### MS 150 Statistics Test 01 Spring 2002

#### 1 to 4: Matching: Levels of Measurement

 ____ 1. Likert scale: Always, often, rarely, never A. Nominal ____ 2. Favorite meat: Chicken, spam, tuna, turkey tail B. Ordinal ____ 3. Year: 1981, 1987, 1999, 2002 C. Interval ____ 4. Speeds: 30 kph, 40 kph, 50 kph, 60 kph, 70 kph D. Ratio
1. What is the sample size n for the data given in question number 4? ______

2. A sample of ramen products was taken with the prices being recorded in cents. The products had the following prices:

25, 25, 25, 25, 30, 30, 30, 32, 32, 40, 41, 50, 60, 70, 100

1. What is the minimum value in this data set? _____

2. What is the maximum value in this data set _____

3. What is the range for this data? ______________

4. If this data is to be divided into five bins (classes, intervals) what is the width of a single bin? ________

5. Determine the frequency and calculate the relative frequency using five bins (classes, intervals). Record your results in the table provided.
Bins ( Classes or Intervals) Frequency Relative Frequency

_______

_______

_______

_______

_______

_______

_______

_______

_______

_______

_______

_______

_______

_______

_______

Sum:

_______________

_______________
6. Sketch a relative frequency histogram of the data, labeling your horizontal axis and vertical axis as appropriate.

7. What is the shape of the distribution? _____

8. What is the sample size n? _____________

9. What is the mode? ___________

10. What is the median? ___________

11. What is the sample mean? ___________

3. Sketch a pie chart of the following data on this page:

Hours per day 8 9 3 2 2