Week 2

Question 1

Exhaustive

Answer 1

Minimally one value for each observation

Question 2

mutually exclusive

Answer 2

maximally one value for each observation

Question 3

nomial

Answer 3

numbers that are assigned to participant’s behaviors or characteristics are essentially labels

Question 4

ordinal

Answer 4

involves the rank ordering of a set of of behaviors or characteristics. tell us the relative order to our participants on a particular dimension being measured

Question 5

interval

Answer 5

equal differences between numbers reflect equal differences between participants in the characteristics being measured

Question 6

ratio

Answer 6

highest level of measurement because the scale has a zero point, ratio measurements involves reals numbers that can be added, subtracted, muliplied or divided

Question 7

simple random sample

Answer 7

every element has the same probability of being picked

Question 8

systematic sample

Answer 8

every nth element gets picked

Question 9

stratified random sample

Answer 9

divide population into subgroups (strata)
elements are being picked based on random samplings ( fireman, policemen)

Question 10

Multistage cluster sample

Answer 10

divide population into supgroups (clusters)
geophrafical reasons

Question 11

sample frame

Answer 11

list of members of the population of interest from which probability sample is selected