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题目
单项选择题
The practical use of statistical power is that it informs you the researcher:
选项
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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标准答案
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思路分析
Question restatement: The practical use of statistical power is that it informs you the researcher:
Option 1: 'whether you will find significant results.' While power relates to the probability of detecting a true effect if it exists, it does not guarantee significance in a given study, since significan......Login to view full explanation登录即可查看完整答案
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类似问题
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?
This question continues previous question 32. Based on the cost information provided in Question 32 and a Weighted Average Contribution Margin (WACM) of 160 per unit calculate the break-even point in units for Model A. Note: Round to full numbers, provide your answer without the unit sign, i.e., X,XXX, and show your workings. Answer: [Fill in the blank] , Working space: [Fill in the blank]
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为了让更多留学生在备考与学习季更轻松,我们决定将Gold 会员限时免费开放至2025年12月31日!