Question: 1- In multiple linear regression, in what context should standardized coefficients be used? a-to determine the equation of the line b- to compare predictors with

1- In multiple linear regression, in what context should standardized coefficients be used?

a-to determine the equation of the line

b- to compare predictors with each other

c- to determine the statistical significance of F

d- (a) and (b)

2. Give a concrete, specific research example of what would be a second kind of statistical error.

3. Describe how power is affected by the significance level of a hypothesis test.

4. What is the purpose of the concepts of statistical significance and effect size in quantitative methods? Explain the difference between the two.

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