1. Do Now Season Age Tm Lg GS FG FGA FG% PTS PPG Rank
Which of the above stats are:
Nominal
Ordinal
Interval
Ratio
Season
Age Tm Lg GS FG
FGA
FG%
PTS
PPG
Rank 22
OKC
NBA 41
387
830
.466
1171
28.6 1

2. Objectives 28.January.2011 Students will be able to…
Determine levels of measurements of data.

3. Agenda Do Now (5 min) Review Yesterday (5 min)
Levels of Measurement (15 min)
Pop Quiz (10 min)
Exit Ticket (5 min)

4. Yesterday Qualitative vs. Quantitative Discrete vs. Continuous.
Discrete vs. Discreet

5. Nominal
Data consists of names, labels, or categories only that cannot be arranged.
Yes/No/Undecided
Colors
Names

6. Ordinal
Data that can be ordered, but the difference between the orders is meaningless.
Ranks of NBA Players for PPG
Course Grades

7. Interval
Data that can be ordered with the added property that the difference between two values is meaningful. But there is no zero or natural starting point.
Degrees Fahrenheit
Years

8. Ratio
Data that can be ordered, subtracted, but also divided in a meaningful way, as well as having a natural zero starting point (or the concept of nothing.)
Number of eggs laid by a chicken
Price of a textbook
Heights of students

9. N O I R Levels of Measurement Can be named Can be ordered
Can be subtracted
Has concept of 0
Can be divided

10. Pop Quiz
Very little pop.

11. Exit Ticket
Based on a study of heights of men and women who play basketball, a researcher concludes that the exercise from playing basketball causes people to grow taller. Can you think of an alternative conclusion to this?