QUALITATIVE or QUANTITATIVE?

• The telephone numbers in a phone book?

QUALITATIVE or QUANTITATIVE?

• The telephone numbers in a phone book?

• QUALITATIVE

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)

QUALITATIVE or QUANTITATIVE?

• The daily high temperatures for the month of June?

QUALITATIVE or QUANTITATIVE?

• The daily high temperatures for the month of June?

• QUANTITATIVE

QUALITATIVE or QUANTITATIVE?

• The daily high temperatures for the month of June?

• QUANTITATIVE

• (These temps can be computed to find the average, etc.)

QUALITATIVE or QUANTITATIVE?

• The % scores of a class on an exam?

QUALITATIVE or QUANTITATIVE?

• The % scores of a class on an exam?

• QUANTITATIVE

QUALITATIVE or QUANTITATIVE?

• The % scores or a class on an exam?

• QUANTITATIVE

• (%’s can be computed to find average, etc.)

QUALITATIVE or QUANTITATIVE?

• The player numbers on a baseball team.

QUALITATIVE or QUANTITATIVE?

• The player numbers on a baseball team.

• QUALITATIVE

QUALITATIVE or QUANTITATIVE?

• The player numbers on a baseball team.

• QUALITATIVE

• These numbers are DESCRIPTIVE or a label for each player.

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

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

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)

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

• The 4 major professional tennis tournaments are:

Australian Open, French Open, Wimbledon, US Open

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)

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

• The total catches of fish (in thousands) for different species of fish caught in Alabama:

36.3 14.9 48.8 87.3 48.517.2 359 0.6 32.3 1.9

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

• The total catches of fish (in thousands) for different species of fish caught in Alabama:

36.3 14.9 48.8 87.3 48.517.2 359 0.6 32.3 1.9

• RATIO – calculations can be made, 0=0, could make calculations so 2 data values (different species) can be compared relative to each other.

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

• A company’s US sales staff is splitting among the following regions.

Northwest, Southwest, Southeast, Northeast

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

• A company’s US sales staff is splitting among the following regions.

Northwest, Southwest, Southeast, Northeast

• NOMINAL-No numbers (Qualitative – descriptive)

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

• The average monthly temperatures in ⁰C 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

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

• The average monthly temperatures in ⁰C 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.

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

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, can’t compare relative to each other. Can be ordered.