document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=943887>Question 943887</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I really need your help in solving this problem. I appreciate your time and efforts. Have a terrific day :) Here is the three part question? \r<BR>\n" );
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document.write( "One sample has a mean of M= 4 and second sample has M=8. The two samples are combined into a single set of scores.\r<BR>\n" );
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document.write( "A. What is the mean for the combined set if both of the Original Samples have n = 7 scores?\r<BR>\n" );
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document.write( "B. What is the mean for the combined set if the first sample has n = 3 and the second sample has n = 7?\r<BR>\n" );
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document.write( "C. What is the mean for the combined set if the first sample has n =7 and the second sample has n = 3?\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #575532 by </B><A HREF=/tutors/aboutme.mpl?userid=macston><B>macston(5194)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=macston><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=macston><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=575532\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Part A: First sample with M=4 and 7 scores Second sample M=8 with 7 scores<BR>\n" );
document.write( "With average (mean)=4 with 7 scores would sum (4 x 7)=28<BR>\n" );
document.write( "With average (mean)=8 with 7 scores would sum (8 x 7)=56<BR>\n" );
document.write( "total points=28+56=84 total scores (7+7)=14 scores<BR>\n" );
document.write( "so combined mean is 84 total points/14 scores=combined M=6 ANSWER A Mean=6<BR>\n" );
document.write( "Part B:<BR>\n" );
document.write( "With average (mean)=4 with 3 scores would sum (4 x 3)=12<BR>\n" );
document.write( "With average (mean)=8 with 7 scores would sum (8 x 7)=56<BR>\n" );
document.write( "Total points=12+56=68; total scores (3+7)=10 scores<BR>\n" );
document.write( "so combined mean is 68 total points/10 scores=combined M=6.8 ANSWER B Mean=6.8<BR>\n" );
document.write( "Part C:<BR>\n" );
document.write( "With average (mean)=4 with 7 scores would sum (4 x 7)=28<BR>\n" );
document.write( "With average (mean)=8 with 3 scores would sum (8 x 3)=24<BR>\n" );
document.write( "Total points=28+24=52; total scores (7+3)=10 scores<BR>\n" );
document.write( "so combined mean is 52 total points/10 scores=combined M=5.2 ANSWER C Mean=5.2  </SPAN>\n" );
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