Or, feel free to get a head start! Here's tomorrow night's homework:
For each statistical
study below identify the following:
a. The population
b. The population parameter of interest
c. The sampling frame
d. The sample
e. The sampling method, including if randomization
was employed
f.
Any
potential sources of bias or problems in generalizing to the population
1.
A question posted on the Lycos Web site on 18
June 2000 asked visitors to the site to say whether they thought that marijuana
should be legally available for medicinal purposes.
2.
Hoping to learn what issues may resonate with
voters in the coming election, the campaign director for a mayoral candidate
selects one block from each of the city’s election districts. Staff members go
there and interview all the residents they can find.
3.
Dairy inspectors visit farms unannounced and
take samples of the milk to test for contamination. If the milk is found to
contain dirt, antibiotics, or other foreign matter, the milk will be destroyed
and the farm re-inspected until purity is restored.
Tomorrow we'll get back into our chapter 12 notes! See you there!
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