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
48.5
17.2 359
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
48.5
17.2 359
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.