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QUALITATIVE or QUANTITATIVE? The telephone numbers in a phone book?

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Presentation on theme: "QUALITATIVE or QUANTITATIVE? The telephone numbers in a phone book?"— Presentation transcript:

1 QUALITATIVE or QUANTITATIVE? The telephone numbers in a phone book?

2 QUALITATIVE or QUANTITATIVE? The telephone numbers in a phone book? QUALITATIVE

3 QUALITATIVE or QUANTITATIVE? The telephone numbers in a phone book? QUALITATIVE (the numbers are a description of how to call someone, not a numerical MEASUREMENT)

4 QUALITATIVE or QUANTITATIVE? The daily high temperatures for the month of June?

5 QUALITATIVE or QUANTITATIVE? The daily high temperatures for the month of June? QUANTITATIVE

6 QUALITATIVE or QUANTITATIVE? The daily high temperatures for the month of June? QUANTITATIVE (These temps can be computed to find the average, etc.)

7 QUALITATIVE or QUANTITATIVE? The % scores of a class on an exam?

8 QUALITATIVE or QUANTITATIVE? The % scores of a class on an exam? QUANTITATIVE

9 QUALITATIVE or QUANTITATIVE? The % scores or a class on an exam? QUANTITATIVE (%s can be computed to find average, etc.)

10 QUALITATIVE or QUANTITATIVE? The player numbers on a baseball team.

11 QUALITATIVE or QUANTITATIVE? The player numbers on a baseball team. QUALITATIVE

12 QUALITATIVE or QUANTITATIVE? The player numbers on a baseball team. QUALITATIVE These numbers are DESCRIPTIVE or a label for each player.

13 CLASSIFY DATA BY LEVEL (nominal, ordinal, interval, ratio)

14 The top 5 teams in the college football poll released January 3, 1998 are 1. Michigan 2. Nebraska 3. Florida State 4. Florida 5. UCLA

15 CLASSIFY DATA BY LEVEL (nominal, ordinal, interval, ratio) The top 5 teams in the college football poll released January 3, 1998 are 1. Michigan 2. Nebraska 3. Florida State 4. Florida 5. UCLA ORDINAL (ordered)

16 CLASSIFY DATA BY LEVEL (nominal, ordinal, interval, ratio) The 4 major professional tennis tournaments are: Australian Open, French Open, Wimbledon, US Open

17 CLASSIFY DATA BY LEVEL (nominal, ordinal, interval, ratio) The 4 major professional tennis tournaments are: Australian Open, French Open, Wimbledon, US Open NOMINAL (names only)

18 CLASSIFY DATA BY LEVEL (nominal, ordinal, interval, ratio) The total catches of fish (in thousands) for different species of fish caught in Alabama: 36.314.948.887.348.5 17.23590.632.31.9

19 CLASSIFY DATA BY LEVEL (nominal, ordinal, interval, ratio) The total catches of fish (in thousands) for different species of fish caught in Alabama: 36.314.948.887.348.5 17.23590.632.31.9 RATIO – calculations can be made, 0=0, could make calculations so 2 data values (different species) can be compared relative to each other.

20 CLASSIFY DATA BY LEVEL (nominal, ordinal, interval, ratio) A companys US sales staff is splitting among the following regions. Northwest, Southwest, Southeast, Northeast

21 CLASSIFY DATA BY LEVEL (nominal, ordinal, interval, ratio) A companys US sales staff is splitting among the following regions. Northwest, Southwest, Southeast, Northeast NOMINAL-No numbers (Qualitative – descriptive)

22 CLASSIFY DATA BY LEVEL (nominal, ordinal, interval, ratio) The average monthly temperatures in C at a particular glacier in Alaska: -4.6 -11.4 -13.0 -16.7 -13.1 -9.8 -4.6 -0.1 4.7 6.1 2.8 -0.7

23 CLASSIFY DATA BY LEVEL (nominal, ordinal, interval, ratio) The average monthly temperatures in C at a particular glacier in Alaska: -4.6 -11.4 -13.0 -16.7 -13.1 -9.8 -4.6 -0.1 4.7 6.1 2.8 -0.7 INTERVAL : Ordered (by month) AND numerical values that can be computed. 0 = location on thermometer, NOT absence of temperature.

24 CLASSIFY DATA BY LEVEL (nominal, ordinal, interval, ratio) The lengths (in inches) of bass caught in Maryland. 16 17.25 19 18.75 21 20.3 19.8 24 21.83

25 CLASSIFY DATA BY LEVEL (nominal, ordinal, interval, ratio) The lengths (in inches) of striped bass caught in Maryland. 16 17.25 19 18.75 21 20.3 19.8 24 21.82 INTERVAL – Numbers that can be computed, but since all are for SAME species, cant compare relative to each other. Can be ordered.


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