A random sample of 778 subjects was asked to identify the day of the week that i

Question

A random sample of 778 subjects was asked to identify the day of the week that is best for quality family time. Consider the claim that the days of the week are selected with a uniform distribution so that all days have the same chance of being selected. The table below shows goodness-of-fit test results from the claim and data from the study. Test that claim. Determine the null and alternative hypotheses. H_0: All days of the week have an equal chance of being selected. H_1: At least one day of the week has a different chance of being selected. Identify the test statistic. X^2 = (Type an integer or a decimal.) Enter your answer in the answer box and then click Check Answer.

Explanation / Answer

The test-statistic is = 3130.672. (Ans).

Since observed value of chi-square > Critical value of chi-square = 12.592,

we reject the null hypothesis.

We conclude that all days of the week don't have an equal chance of being selected. (Ans).

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