If the Expected Frequencies Equal to Observed Frequencies for a Chi-Square

question 19

Multiple Choice

If the expected frequencies equal to observed frequencies for a chi-square test for independence,what do we conclude?

• A)the degrees of freedom for the test are equal to 0
• B)the test statistic value is equal to 0
• C)the frequencies observed fit well with the frequencies expected
• D)both B and C

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Definitions:

Significance Level

The threshold against which the p-value is judged to determine statistical significance, often denoted by alpha (α) and commonly set at 0.05 or 5%.

Significance Level

A threshold or probability used in statistical hypothesis testing to determine whether to reject the null hypothesis, often denoted by alpha with a common value of 0.05.

Z-statistic

A statistic that measures the distance in standard deviations of a sample mean from the population mean under the null hypothesis.

Rejection Region

The set of values for which the null hypothesis is rejected in hypothesis testing.