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[AP Statistics] 4.1b Sampling Methods

Last updated 5 months ago

20 questions

1

Explain your method in detail below. Then use "Show your work" to actually indicate which seats you chose. You may use random.org

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Explain your method in detail below. Then use "Show your work" to actually indicate which seats you chose. You may use random.org

1

Explain your method in detail below. Then use "Show your work" to actually indicate which seats you chose. You may use random.org

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Are any of these methods better than the others? Why or why not?

Stop here until everyone catches up.

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Oliver will reveal the actual enjoyment scores from each seat on the screen.

Calculate the average enjoyment of your sample from Method #1 (Round to the nearest whole number)

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Calculate the average enjoyment of your sample from Method #2 (Round to the nearest whole number)

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Calculate the average enjoyment of your sample from Method #3 (Round to the nearest whole number)

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A school librarian wants to know the average number of pages in all the books in the library. The library has 20,000 books, arranged by type (fiction, biography, history, etc.) in shelves that hold about 50 books each. You want to select a random sample of 500 books.

(a) Explain how to select a stratified random sample of 500 books. Justify your choice of strata. Why might the librarian want to choose a stratified random sample?

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(b) Explain how to select a cluster sample of 500 books. Justify your choice of clusters. Why might the librarian want to choose a cluster sample?

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Are there any problems above that you would like to go over in class? Indicate the question numbers below (Numbers refer to the Formative question number). I'll try to cover anything that is highly requested.