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Review Questions
Chapter 18: Collecting and Describing Data
- Why might you choose to use a Carroll diagram rather than a Venn diagram?
Why might you make the opposite choice?
- A student says that you should never use second hand data since you
can’t be sure of it. How would you respond?
- How could you help students see that the mean is more affected by
extreme pieces of data than the median is?
- In determining the median of 3, 5, 6, 9, 12, and 15, a student says
8 since half of the numbers are above it and half are below it. How
would you respond?
- Describe a situation where the mode is more useful to talk about than
the mean or median.
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