The practical use of statistical power is that it informs you the researcher:单项选择题

A

whether you will find significant results.

B

how many participants are needed to conduct a study to detect a certain effect size

C

whether you will find important results.

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Question 1:  With the appropriate hypotheses, when completing a one-sample t test, at 𝛼 = 0.05, the estimated power is 0.547 . You would minimally need a sample size of 43 to achieve the desired acceptable power, when keeping all other conditions the same.

Question 1:  With the appropriate hypotheses, when completing a one-sample t test, at α = 0.05, the estimated power is 0.547 . You would minimally need a sample size of 43 to achieve the desired acceptable power, when keeping all other conditions the same.

An increase in which of the following does not increase power?

For the compound below:a. Give the IUPAC name (no stereochemical designation required. [1 mark]b. Draw the two possible chair conformers of the compound and use equilibrium arrows to show which form will predominate. Explain your selection. [4 marks][Fill in the blank]

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