Appendix B: Statistics

A .05 alpha-level is used for all tests.

Test 1

H0 : Sudoku Grader grade for “5 of 5″ Dispatch puzzles = Sudoku Grader grade for

“Difficult” NYTimes.com puzzles

HA : Sudoku Grader grade for “5 of 5″ Dispatch puzzles < Sudoku Grader grade for

“Difficult” NYTimes.com puzzles

t1Conclusion

p-value<.05, so evidence suggests that the Sudoku Grader grade for “5 of 5″ Dispatch puzzles < Sudoku Grader grade for “Difficult” NYTimes.com puzzles


Test 2

H0 : Sudoku Grader grade for “5 of 5″ Dispatch puzzles = Sudoku Grader grade for

“Demanding” Shortz puzzles

HA : Sudoku Grader grade for “5 of 5″ Dispatch puzzles < Sudoku Grader grade for

“Demanding” Shortz puzzles

t2Conclusion

p-value<.05, so evidence suggests that the Sudoku Grader grade for “5 of 5″ Dispatch puzzles < Sudoku Grader grade for “Demanding” Shortz puzzles


Posted in Analysis at April 26th, 2009. Trackback URI: trackback

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