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  3. compute the 90%, 95%, and 99% confidence interval

compute the 90%, 95%, and 99% confidence interval for N=282 Mean= 2.36 SD= 1.19 explain the effect...

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Statistics

compute the 90%, 95%, and 99% confidence interval for N=282 Mean=2.36 SD= 1.19

explain the effect of confidence interval on the width of theinterval

Answer & Explanation Solved by verified expert
3.8 Ratings (725 Votes)
a Sample size n 282Sample mean 236Standard deviation s 119We have to construct 90 confidence intervalFormula isHere E is a margin of errorDegrees of freedom n 1 282 1 281Level of    See Answer
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