Critical Thinking Alisha wants to do a statistical study to determine how long it takes people to complete a Sudoku puzzle (see Problem 1 for a description of the puzzle). Alisha’s plan is as follows:

Download 10 different puzzles from the Internet.

Find 10 friends willing to participate.

Ask each friend to complete one of the puzzles and time themselves.

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 anecdotal, or do they apply to the general population?

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