Question

In 2010, Dr. Bob decided to gather research on the type of disorders that present among his patients. His data collection resulted in the following breakdown of patients by disorder: 54.9% Schizophrenia; 21.1% Major Depression; 7.9% Obsessive-Compulsive Disorder; 4.5% Anxiety Disorder; 2.9% Personality Disorder; 8.8% Other. Information was collected from a random sample Of 300 patients in 2018 to determine whether or not the data has changed significantly. The sample data is given in the table below. At the 0.05 level of significance, test the claim that the disorder breakdown of patients at Dr. Bob's hospital has not changed significantly since 2010 19/ Which would be correct hypotheses for this test? O Ho The breakdown of patients by disorder has changed significantly since 2010 (i.e. the given distribution no longer fits); H1: The breakdwon of patients by disorder has not changed significantly since 2010 (i.e. the given distribution still fits) OHo: The breakdown of patients by disorder has not changed significantly since 2010 (i.e. the given distribution still fits); H1 : The breakdown of patients by disorder has changed significantly since 2010 (i.e. the given distribution no longer fits) OHo:pi p2; H1:pi p2 O H0: u2; Hi:1 H2 Type of disorder per patient in sample: Disorder Count Schizophrenia Major Dispression 151 75 Obsessive-Compulsive Disorder 28 Anxiety Disorder Personality Disorder 13 Other 25 Test Statistic Give the P-value: Which is the correct result: O Reject the Null Hypothesis Do not Reject the Null Hypothesis Which would be the appropriate conclusion? There is enough evidence to suggest that the breakdown of patients by disorder has changed significantly since 2010. not enough evidence to suggest that the breakdown of patients by disorder has changed significantly since 2010 OThere

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Answer 1

(Please round the answers of the test statistic and p-value to the required number of decimal places.)

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