Goodness of Fit Test(s)

Data Summary and Diagnostics: Ethnicity

Ethnicity Observed Count Expected Count Observed Proportion Expected Proportion
Asian 30 25.83 0.19355 0.16667
Hispanic 45 51.67 0.29032 0.33333
African-American 15 12.92 0.09677 0.08333
White 60 51.67 0.3871 0.33333
Other 5 12.92 0.03226 0.08333

Null probabilities not specified by user set to 0

Chi-Squared Goodness of Fit Test

Research Hypothesis Ha: Population proportions of Ethnicity are different from the expected distribution

Observed Test Statistic Degrees of Freedom P-Value
8.06452 4 0.08924

Test is not significant at the 5% significance level

P-Value Graph:
Method: Chi-Squared Goodness of Fit Test

Null Density: Chi-Squared; df = 4
Null Hypothesis H0: The data agree with the proposed distribution of Ethnicity

, The graph shows the distribution of Chi-Squared Values , Observed Chi-Squared Value = 8.0645 , P-Value = 0.089243

Critical Region Graph:
Method: Chi-Squared Goodness of Fit Test

Null Density: Chi-Squared; df = 4
Null Hypothesis H0: The data agree with the proposed distribution of Ethnicity

, The graph shows the distribution of Chi-Squared Values , Observed Chi-Squared Value = 8.0645 , Critical Region for alpha = 5% critical value = 9.4877