Will a random sample always be representative? Question options: No, because som
ID: 2929284 • Letter: W
Question
Will a random sample always be representative?
Question options:
No, because sometimes random processes can't account for the actions of the individuals in the sample.
No, random samples always have some bias
Yes, because it is random.
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Which of the following will result in higher power? Check all that apply.
Question options:
Using a larger significance level
Using a smaller significance level
Increasing the sample size
Decreasing the sample size
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True/False. A result that is statistically significant will also be practically important.
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Which of the following would decrease the width of a confidence interval? Check all that apply.
Question options:
Decreasing sample size
Decreasing the Confidence Level
Increasing the Confidence Level
Increasing sample size
No, because sometimes random processes can't account for the actions of the individuals in the sample.
No, random samples always have some bias
Yes, because it is random.
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Explanation / Answer
dear student please post the question one at a time .
1) option B is the right option.
Random sampling ensures every member of the population has equal probability of selection and inclusion in the sample group. However, sample bias is always present and can never truly be eliminated.
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