document.write( "Question 970107: 5.A company has 70 employees whose salaries are summarized in the frequency distribution below.
\n" ); document.write( "Salary Number of Employees
\n" ); document.write( "5,001–10,000 8
\n" ); document.write( "10,001–15,000 12
\n" ); document.write( "15,001–20,000 20
\n" ); document.write( "20,001–25,000 17
\n" ); document.write( "25,001–30,000 13 \r
\n" ); document.write( "\n" ); document.write( "a.Find the standard deviation.
\n" ); document.write( "b.Find the variance.
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #592864 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
Using EXCEL (use the population variance and standard deviation),
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( "
\n" );