Prepare a presentation that addresses the following:
List at least 3 qualitative attributes of the snack food about which they might want to ask consumers. Make sure at least one of them is nominal.
For each attribute that is ordinal, assign names for the endpoints of a 5 point rating scale.
Explain the difference between nominal and ordinal data.
Explain how nominal and ordinal data relate to a rating scale.
List at least 2 quantitative attributes of snack food that the scientists might want to measure.
Explain the difference between interval and ratio data.
Include in your presentation the difference between a population and a sample.
Note why it is important to avoid bias when conducting research (see note below).
Give 2 examples of possible populations for this test.
This question was asked on Jan 27, 2011.
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