Pop Quiz:

Levels of Measurement

Objective:

1. Let you assess what you already know
2. Raise questions about measurements

Allow two columns: Fill in the first column now.

Multiple Choice: Write down the letter that is the best answer to the question:

1) What is a "level" of measurement?

a) NOIR : (Nominal Ordinal Interval Ratio) - an answer to an exam question...

b) bad measurement, better measurement, tolerable measurement, good measurement

c) a class of measurement scales that share common properties (and are invariant under certain transformations)

d) a and b

e) a and b and c

What level of measurement? Use the following letter key for the subsequent questions

a) Nominal

b) Ordinal

c) Interval

d) Ratio

e) Not so easy to tell

f) None of the above

g) some combination of the above...

2) Forests of France (1927)

3) Percent of Departement covered by Forests in 1930

4) Temperature in Red Square in degrees Fahrenheit

5) 2003

6) Day of Month (today is the 2nd of October)

7) Moose Density (Moose per square kilometer by Ranger District in some Provincial Park in Ontario)

8) Moose Census (Number of moose in Ranger District in some Provincial Park in Ontario)

Phase Two:

Revise your answers following the lecture

Which answers did you change and why?

How well did you do?

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Version of 2 October 2003