### MS 150 Statistics Test 01 Fall 2004

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

 ____ 1. Medals won by marathoners: Gold, silver, bronze. A. Nominal ____ 2. Favorite sport: Running, surfing, volleyball B. Ordinal ____ 3. Years: 2004, 2005, 2006, 2007 C. Interval ____ 4. Distances: 239m, 241m, 243m, 244m, 249m D. Ratio
##### The rest of the questions refer to the following data:

The PE 101j Joggling class performed sixteen measurements of the lap distance around the College of Micronesia-FSM FSM-China Friendship Sports Center. Their data is recorded in the table below.

Sport center laps in meters
Sport center
laps in meters
246
245
239
244
242
242
245
249
244
246
244
246
246
243
241
242
1. For the measurements of the lap distance:

_________ Determine the sample size n.
2. _________ Determine the mode.
3. _________ Determine the median.
4. _________ Calculate the sample mean x.
5. _________ Determine the minimum.
6. _________ Determine the maximum.
7. _________ Calculate the range.
8. _________ Calculate the sample standard deviation sx.
9. _________ Calculate the sample Coefficient of Variation.
10. _________ Determine the class width. Use 5 bins (classes or intervals)
11. Fill in the following table with the class upper limits in the first column, the frequencies in the second column, and the relative frequencies in the third column
BinsFrequencyRelative Frequency f/n
___________________________
___________________________
___________________________
___________________________
___________________________
Sums:__________________
12. Sketch a histogram of the relative frequency data on the back of the paper.
13. __________________ What is the shape of the distribution?
14. The lap distance data gathered by the class represents sample statistics. What is the likely population value being sought?