Statistics questions

Statistics
Tutor: None Selected Time limit: 1 Day

Apr 8th, 2015

p1hat-p2hat =0.642-0.740 = -0.098

Margin of error = 2.33 *0.024 = 0.056

If we consider this , lower limit = -0.098 -0.056 = -0.154

upper limit = -0.098+0.056 = -0.042

If we consider the other way 

p2hat-p1hat

theb

difference = 0.74-0.642 = 0.098

Then lower limit = 0.098 -0.056 =0.042

upper limit =0.098+0.056 =0.154

I do not know whether they prompt this way or other way.

That is why I am providing both the answers

Apr 8th, 2015

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Apr 8th, 2015
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Apr 8th, 2015
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