-Alisha wants to do a statistical study to determine how long it takes people to

Question

-Alisha wants to do a statistical study to determine how long it takes people to complete a Sudoko puzzle, her plan is as follows:

-dowload 10 different puzzles from the interent

-find 10 friends willing to participate

-ask each friend to complete one of the puzzles and time him/her.

- Gather the completion times from each friend

Describe some of the problems with Alisha's plan for the study (Note: puzzles differ in difficulty, ranging from beginner to very difficult) Are the results from Alisha's study anectodal, or do they apply to the generla population?

Explanation / Answer

There are many problems.For instance,it's its not clear that the puzzles she wants to download are of the same level of difficulty.Friends willing to participate many have different levels of experience with the puzzels they are also volunteers.

Conditions under which the puzzels are solved are not specified.No one checks that the puzzle solutions are correct.self timming is not uniform Results from the study would be anecdotal

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