Question: 1 I conceptual terms, the hypothesis Is that dopression wil be lower after treatment State this hypothesis In statistical terms and include the correct notation.

1 I conceptual terms, the hypothesis Is that dopression wil be lower after treatment State this hypothesis In statistical terms and include the correct notation. 2. Explah why the t-test for dopendent (paired) samplas is the appropriate test for the hypothesis In terms of the formula for t 3 Are the diferences betwoon the measures meaningfut? why or why not? 4 Summarize the resuns of the t-test, inoluding the correct notation (see page 224), Is statistioaly significant? What is the probability of a type 1 error? Should you reject or retain the null hypothedis? I . Are the differenass between the measurse likely in the population? why or why not? 6 What le a possible biased conclusion that might be drawn from tho results you reported above?

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