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CNSL503 / CNSL 503 Module 4:
(Latest Update 2025 / 2026) Statistics | Questions and Answers | Grade A | 100% Correct - Portage Learning
Question:
confidence interval
Answer:
range of values that is likely to contain the true population mean. The 95% confidence level is the most common.
Question:
Why is it important to measure effect size?
Answer:
effect size can tell us how meaningful or impactful a particular result is.
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Question:
how to calculate size of effect
Answer:
Cohen’s d
Question:
Cohen's d (effect size) guidelines
Answer:
d=0.2=small d=0.5=medium d=0.8=large
Question:
statistical power
Answer:
probability of correctly rejecting a null hypothesis that is false- measured on scale of 0-1
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