A sample of cows is drawn to estimate the mean weight of a large herd of cattle. If the standard deviation of the sample is kg, what is the approximate maximum error in a 95% confidence interval estimate?
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DSE 2016 Question 4: Point and interval estimation
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A sample of 100 cows is drawn to estimate the mean weight of a large herd of cattle. If the standard deviation of the sample is 100 kg, what is the approximate maximum error in a 95% confidence interval estimate? (A) 10 (B) 20 (C) 30 (D) 40
Point and interval estimation has come up 28 times in 6 exams since 2008.
What this question tests
This question is on Confidence intervals, part of Point and interval estimation in Statistics.
Ranges that capture a parameter with a stated confidence level.
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