Chi-square Test Example Problems - With Answers Ppt

[ \chi^2 = \sum \frac(O - E)^2E ] Slide 4: Problem 1 – Goodness-of-Fit (Fair Die?) Scenario: A die is rolled 60 times. Observed frequencies: 1→8, 2→12, 3→10, 4→9, 5→11, 6→10 Question: Is the die fair? (α = 0.05)

Slide 14: Problem 4 – Expected & Chi-Square (Summary) Show only the final calculated table (too large for all cells): chi-square test example problems with answers ppt

Gender and product preference are dependent (significant association). [ \chi^2 = \sum \frac(O - E)^2E ]