document.write( "Question 139767: Helen Smith just conducted a single-factor experiment and collected 30 observations. Her analysis of variance produced a sum of squares total (SST) that contained how many degrees of freedom?
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Algebra.Com's Answer #101928 by stanbon(75887)\"\" \"About 
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Ans: d
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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