A consulting firm in California has clients in California and 5 surrounding states. The client distribution ...
guru2009A consulting firm in California has clients in California and 5 surrounding states. The client distribution of the prior year is summarized under “Proportion of Clients Prior Year” in the following table. The director of the firm believes that the distribution has changed over the year. She has taken a random sample of 410 clients and categorized them by state. The sample data is summarized under “Sample # Clients by State“ in the following table. State Proportion of Clients Prior Year Sample # Clients by State California 0.6 200 Nevada 0.15 87 Oregon 0.15 68 Arizona 0.04 27 Utah 0.03 8 Idaho 0.03 20 1. State the null hypothesis and alternative hypotheses 2. Compute the expected counts based on history. 3. Determine the calculated value of the chi-square statistic 4. Determine the 95% critical value 5. Determine whether to accept or reject the null hypothesis and why.
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- AconsultingfirminCaliforniahasclientsinCaliforniaand5surroundingstates.Theclientdistributionoftheprioryearissummarizedunder.xls