QUALITATIVE or QUANTITATIVE The telephone numbers in a

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, Southeast, Northeast

CLASSIFY DATA BY LEVEL (nominal, ordinal , interval, ratio) • A company’s US sales staff is splitting among the following regions. Northwest, 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.