AP Statistics / Mr. Hansen Mini-Quiz (11/9/2000)	Name: _________________________

Instructions: Write in the word or phrase that best completes each blank, or indicate the letter of the best answer. Use terminology from the textbook and from in-class discussions.

1.	Tuesday’s presidential election most resembled a __________ .
	A) survey B) controlled experiment C) time series D) matched pairs experiment
2.	A data collection instrument that causes confusion in subjects’ minds (see http://cnews.tribune.com/news/image/0,1119,oso-nation-82373,00.html or the clipping being passed around) is said to exhibit __________ . A) confusion disturbance B) confusion dissonance C) cognitive disturbance D) cognitive dissonance
3.	The Palm Beach County ballot could have been improved by __________ . A) having fewer punch holes, and having all arrows point to the right B) not having punch holes aligned with horizontal lines C) listing all the slates of candidates vertically, instead of in two columns D) any or all of the above
4.	What makes a theory "scientific," in other words, the essential or defining characteristic of a scientific theory, is that it is __________ A) true B) generally accepted to be true (by scientifically educated people) C) both provable and true D) either provable or true E) potentially disprovable
5.	The abbreviation for stratified random sample is __________ . A) n B) s C) s D) SRS E) none of the above
	Free Response
6.	Yesterday a student asked me, "Mr. Hansen, since the lunch table assignments of students are random, why couldn’t we just draw an SRS of Upper School students by going to the first table we happen to see and having the students at that table fill out our survey?" The lunch table assignments are indeed random. It could happen that both Alford twins are seated at the same table. However, please provide at least two reasons that this process will not generate an SRS of Upper School students. (Provide a third reason for extra credit.)
	a) ________________________________________

	b) ________________________________________

	c) ________________________________________
7.	Name the three principles of good experimental design and provide a sentence (or a 2-sentence example) that illustrates that you know what each principle means. If you exceed the sentence limits, points will be deducted.
	a) ________________________________________

	b) ________________________________________

	c) ________________________________________

8.	Design an experiment to test the notion that voters in Palm Beach County were more likely to choose Buchanan on the ballot that was actually used than they would have been had they used a straightforward vertical list with check marks:

		Bush	□

		Gore	□

		Buchanan	□

		Nader	□

			[etc.]

	Describe your randomization procedure, and incorporate at least one blocking factor.