document.write( "Question 1097420: 600 students took a chemistry test. You sampled 100 students to estimate the average score and the standard deviation. How many degrees of freedom were there in the estimation of the standard deviation?
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document.write( "Please Justify Answer\r
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document.write( "(a) 599
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document.write( "(b) 600
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document.write( "(c) 99
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document.write( "(d) 100 \n" );
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Algebra.Com's Answer #711839 by rothauserc(4718)![]() ![]() You can put this solution on YOUR website! degrees of freedom(DF) = sample size - 1 \n" ); document.write( ": \n" ); document.write( "DF = 100 -1 = 99 \n" ); document.write( ": \n" ); document.write( "answer is (c) \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " |