document.write( "Question 862217: The computer-science aptitude score, x, and the achievement score, y (measured by a comprehensive final), were measured for 10 students in a beginning computer-science course. The results were as follows. (Give your answers correct to two decimal places.) \r
\n" ); document.write( "\n" ); document.write( "x = 5 17 11 20 9 19 9 17 20 15
\n" ); document.write( "y = 33 32 32 32 23 19 24 15 27 25\r
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\n" ); document.write( "\n" ); document.write( "I have the line of equation as
\n" ); document.write( "y (hat)=29.833 + 0.30x (however the .30 is incorrect)\r
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\n" ); document.write( "\n" ); document.write( "Find se2 \n" ); document.write( "
Algebra.Com's Answer #519546 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( "using Excel scatter Plot features after entering columns for x and y in a spreadsheet:
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document.write( "y = -0.2559x  + 29.833
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document.write( " the standard error of the predicted y-value for each x in the regression = 6.3725 (Standard Error of the Estimate) 
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document.write( "se2, 
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document.write( "(excel function STEYX)
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document.write( "     
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document.write( "x 	y	y'	y-y'	(y-y')^2
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document.write( "5	33	28.5535	4.4465	19.77
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document.write( "17	32	25.4827	6.5173	42.48
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document.write( "11	32	27.0181	4.9819	24.82
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document.write( "20	32	24.715	7.285	53.07
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document.write( "9	23	27.5299	-4.5299	20.52
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document.write( "19	19	24.9709	-5.9709	35.65
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document.write( "9	24	27.5299	-3.5299	12.46
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document.write( "17	15	25.4827	-10.4827109.89
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document.write( "20	27	24.715	2.285	5.22
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document.write( "15	25	25.9945	-0.9945	0.99
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document.write( "				324.87
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document.write( "				6.37249951  Standard Error of the Estimate
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