# m303 measuring basics

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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
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
 Author: jodiesc08 ID: 208511 Card Set: m303 measuring basics Updated: 2013-03-20 15:13:58 Tags: nominal order interval ratio Folders: Description: nominal, order, interval, and ratio Show Answers: