An investigator conducts a study to examine the benefits of psychotherapy for individuals with depr…

An investigator conducts a study to examine the benefits of psychotherapy for individuals with depression. Specifically, the investigator predicts that depressed individuals who receive psychotherapy in addition to drug therapy for depression will display significantly lower levels of depression than persons with a diagnosis of depression who receive only drug therapy. The investigator assigns 10 subjects to each of the two conditions stated above. After three months, the investigator measures depression using a scale in which higher scores reflect higher levels of depression. 1. Write the null and alternative hypotheses for testing the investigator #x27;s prediction. 2. Please use SPSS to conduct an independent t-test to test the null hypothesis stated above and attach the output herewith. 3. State the conclusion the investigator is entitled to draw. Psychotherapy plus drug therapy group: 23, 19, 16, 18, 15, 22, 16, 18, 19, 20 Drug therapy only group: 24, 27, 26, 28, 29, 24, 26, 25, 22, 28

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