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Dr. Z divides her clients with depression into 2 groups. She asks Group 1 not to...

Dr. Z divides her clients with depression into 2 groups. She asks Group 1 not to watch or read any news for two weeks while in therapy and asks Group 2 to continue with therapy as normal. The groups scored the following on measure of depression: Minutes of practice: Group 1: 34, 25, 4, 64, 14, 49, 54 Group 2: 24, 78, 59, 68, 84, 79, 57 How do I find the independent and dependent variables? how would i compose a null hypothesis?

Math   Statistics-And-Probability   
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Answer #1

(a)

Question:

How do I find the independent and dependent variables?

the independent variable: watching or reading any news for two weeks while in therapy : Categorical Variable,Nominal Type, taking values: No or Yes

the dependent variable: minutes of practice: Quantitative Variable; Ratio type, taking numerical values

(b)

Question:

how would i compose a null hypothesis?

H0: Null Hypothesis: (There is no significant difference in average minutes of practice: among the 2 groups:with or without watching or reading any news for two weeks while in therapy)

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