Confidence intervals and margin of error
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Khan Academy
Confidence intervals and margin of error
If we poll 100 people, and 56% of them support a candidate, we can use what we know about sampling distributions and margin of error to build a confidence interval to estimate the true value of the percentage in the population.
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margin of error 0028 confidence level 99 p and q unknown 52536
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SOLVED: Question 22 ptsRecall thatat 95% confidence level the margin of error is calculated as followsmargin of error = 2(SE).What is the margin of error? Do not round:Question 32 pts95% confidence interval sample proportion margin of errorCalculate the 95% confidence interval:What is the smallest number from the confidence interval? Enter your answer as proportion (a decimal number) NOT percentage Donot round:Question 42 ptsWhat is the largest number in your confidence interval? Enter your ans
SOLVED: Question 22 ptsRecall thatat 95% confidence level the margin of error is calculated as followsmargin of error = 2(SE).What is the margin of error? Do not round:Question 32 pts95% confidence interval sample proportion margin of errorCalculate the 95% confidence interval:What is the smallest number from the confidence interval? Enter your answer as proportion (a decimal number) NOT percentage Donot round:Question 42 ptsWhat is the largest number in your confidence interval? Enter your ans
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why do we have a margin of error in statistics if statistics are meant to be accurate why are they sometimes accompanied by an estimate of doubt 25374
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margin of error 0028 confidence level 99 p and q unknown 52536
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SOLVED: Question 22 ptsRecall thatat 95% confidence level the margin of error is calculated as followsmargin of error = 2(SE).What is the margin of error? Do not round:Question 32 pts95% confidence interval sample proportion margin of errorCalculate the 95% confidence interval:What is the smallest number from the confidence interval? Enter your answer as proportion (a decimal number) NOT percentage Donot round:Question 42 ptsWhat is the largest number in your confidence interval? Enter your ans
SOLVED: Question 22 ptsRecall thatat 95% confidence level the m…
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