Chi-square Test Example Problems With Answers Ppt

The Chi-Square ($\chi^2$) test is a statistical hypothesis test used to determine if there is a significant association between categorical variables. Unlike t-tests or ANOVA, which deal with means and continuous data, the Chi-Square test deals with frequencies and counts.

[ \chi^2 = \sum \frac(O - E)^2E ]

Sam claimed his 60-cookie boxes contained 20 of each flavor. This was his . One curious villager bought a box and counted: Chocolate Chip: 15 Oatmeal: 25 Peanut Butter: 20 chi-square test example problems with answers ppt

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) The Chi-Square ($\chi^2$) test is a statistical hypothesis

The Chi-Square (χ²) test is one of the most widely used non-parametric statistical tools. Unlike t-tests or ANOVA, it does not assume a normal distribution. Instead, it helps researchers determine if there is a significant association between categorical variables or if a sample follows a hypothesized distribution. This was his