m303 measuring basics

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Author:
jodiesc08
ID:
208511
Filename:
m303 measuring basics
Updated:
2013-03-20 11:13:58
Tags:
nominal order interval ratio
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Description:
nominal, order, interval, and ratio
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  1. definition: measurement in which numbers are assigned to objects or classes of objects solely for the purpose of identification
    nominal scale
  2. definition: measurement in which numbers are assigned to data on the basis of some order of the object. For example, more than, greater than...
    ordinal scale
  3. definition: measurement in which the assigned numbers legitimately allow the comparison of the size of the differences among and between numbers
    interval scale
  4. definition: measurement that has a natural, absolute, zero and therefore allows the comparison of absolute magnitudes of the numbers
    ratio scale
  5. typical measures of nominal
    • male/female
    • users/nonusers
    • occupations
    • uniform numbers
  6. typical measures of ordinal
    • brand preference
    • social classes
    • hardness of material
    • graded quality of lumber
  7. typical measures of interval
    • temperature scale
    • gpa
    • attitudes toward brand
  8. typical measures of ratio
    • units sold
    • number of purchases
    • income
    • age
  9. average/ measure of central tendency of nominal scale
    mode
  10. average/ measure of central tendency of ordinal scale
    • mode
    • *median
  11. average/ measure of central tendency of interval scale
    • *mean
    • median
    • mode
  12. average/ measure of central tendency of ratio scale
    • *mean --> geometric & harmonic mean
    • median
    • mode
  13. which of the soft drinks on the following list do you like? check all that apply
    nominal scale
  14. please rank the soft drinks on the following list according to your degree of liking for each, assigning your most preferred drink =1 and lease =6
    ordinal
  15. please indicate your degree of liking each of the soft drinks on the following list by checking the appropriate position on the scale (dislike a lot, dislike, like, like a lot)
    interval scale
  16. please divide 100 points among each of the following soft drinks according to your degree of liking for each
    ratio scale
  17. where did you buy toothpaste last time?
    a. supermarket
    b. discount store
    c. somewhere else
    nominal
  18. what is your social security number?
    nominal
  19. how many movies did you see last month?
    a. none
    b. one or two
    c. three or more
    ordinal scale
  20. how likely are you to buy a colbolt?
    a. very likely
    b. likely
    c. neither likely or unlikely
    etc
    interval scale
  21. how old are you?
    how many people in your class?
    how many miles to school?
    ratio scale
  22. are you older than 30?
    ___yes
    ___no
    nominal
  23. how old are you?
    ___ <30
    ___ 30-40
    ___ >40
    ordinal
  24. how old are you?
    ___ 21-30
    ___ 31-40
    ___ 41-50
    ___ 61-60
    interval
  25. how old are you?
    ratio

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