document.write( "Question 864078: Use the following n=10 sample data to construct a 90% confidence interval of the population mean μ. Assume a simple random sample was taken the population SD is unknown, and the population is normally distributed.
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\n" ); document.write( "86 135 250 357 447 553 646 769 830 1135
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Algebra.Com's Answer #520766 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!

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document.write( "Hi
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document.write( "Calculator and/0r use of Electronic Worksheets Absolutely necessary
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document.write( "x	m	(x-µ)	(x-µ)^2
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document.write( "86	520.8	-434.80	189051.040
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document.write( "135	520.8	-385.80	148841.640
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document.write( "250	520.8	-270.80	73332.640
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document.write( "357	520.8	-163.80	26830.440
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document.write( "447	520.8	-73.80	5446.440
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document.write( "553	520.8	32.20	1036.840
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document.write( "646	520.8	125.20	15675.040
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document.write( "769	520.8	248.20	61603.240
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document.write( "830	520.8	309.20	95604.640
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document.write( "1135	520.8	614.20	377241.640 Sum
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document.write( "5208			994663.600 sum/9 = V
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document.write( "			110518.178 sqrt V
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document.write( "		SD	332.443
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document.write( "ME = 1.645*332.4/sqrt(10) = 173
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document.write( "CI: 521-173-ME < u < 521 + 173   (348, 694) not listed; B the closest match \n" );
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