In which of the following would the two samples be independent? (Pick all that a
ID: 3382851 • Letter: I
Question
In which of the following would the two samples be independent? (Pick all that apply)
Select one or more:
a. Sample 1: We record the income of 1000 randomly selected male voters from Wake County.
Sample 2: We record the income of 1000 randomly selected female voters from Wake County.
b. Sample 1: We record the height of 1000 randomly selected men with male children.
Sample 2: We record the height of the oldest male child of the individuals in sample 1.
c. Sample 1: We record the income in 2002 of 1000 randomly selected individuals.
Sample 2: We record the income in 2007 of the same individuals from Sample 1.
d. Sample 1: We record the income of 100 randomly selected school teachers in North Carolina.
Sample 2: We record the income of 75 randomly selected school teachers in California.
Explanation / Answer
a Independent
b. Dependent.Second sample depends on first sample
c. Dependent. Data is collected on same individual.
d. Independent.