document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=58836>Question 58836</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0072868244/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> I need your assistance again.  This is a foreign language.  When I see your answers it makes sence but when putting in word type problems I have difficulty setting up to find the solution.  Thanks again for your help!\r<BR>\n" );
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document.write( "1. A sample of the monthly amounts spent for food by families of four receiving food stamps approximates  a symmetrical distribution.  The sameple mean is $150 and the standard deviation is $20.  Using the Empirical Rule, about 95 percent of the monthly food expenditures are between what two amounts.\r<BR>\n" );
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document.write( "2. A population consists of all the weights of all defensive tackles on Sociable University's  football team.  They are: Johnson, 204 pounds; Patrick, 215 pounds; Junior, 207 pounds; Kendron, 212 pound; Nicko, 214 pounds; and Cochran, 208 pounds.  What is the population standard deviation  in pounds?\r<BR>\n" );
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document.write( "3. The weights  (in grams) of the contents of several small bottles are 4,2,5,4,5,2 and 6.  What is the sample  varience?\r<BR>\n" );
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document.write( "4. Which measures of central tendency are not affected by extremely low or extremely high values<BR>\n" );
document.write( "a. Mean and median<BR>\n" );
document.write( "b. Mean and mode<BR>\n" );
document.write( "c. Mode and median<BR>\n" );
document.write( "d. Geometric mean and mean\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #40351 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=40351\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1. A sample of the monthly amounts spent for food by families of four receiving food stamps approximates a symmetrical distribution. The sameple mean is $150 and the standard deviation is $20. Using the Empirical Rule, about 95 percent of the monthly food expenditures are between what two amounts. <BR>\n" );
document.write( "95% of the data are between 2 standard deviations to the left of the <BR>\n" );
document.write( "mean and two standard deviations to the right of the mean, as follows:<BR>\n" );
document.write( "150-2(20)=110<BR>\n" );
document.write( "150+2(20)=190<BR>\n" );
document.write( "95% of monthly food expenditures are between $110 and $190<BR>\n" );
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document.write( "2. A population consists of all the weights of all defensive tackles on Sociable University's football team. They are: Johnson, 204 pounds; Patrick, 215 pounds; Junior, 207 pounds; Kendron, 212 pound; Nicko, 214 pounds; and Cochran, 208 pounds. What is the population standard deviation in pounds? <BR>\n" );
document.write( "sigma=3.958... <BR>\n" );
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document.write( "3. The weights (in grams) of the contents of several small bottles are 4,2,5,4,5,2 and 6. What is the sample varience? <BR>\n" );
document.write( "1.5275...<BR>\n" );
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document.write( "4. Which measures of central tendency are not affected by extremely low or extremely high values<BR>\n" );
document.write( "a. Mean and median<BR>\n" );
document.write( "b. Mean and mode<BR>\n" );
document.write( "c. Mode and median<BR>\n" );
document.write( "d. Geometric mean and mean <BR>\n" );
document.write( "Ans: median because it is not related to the mean; it is simply<BR>\n" );
document.write( "the middle term of the count of the data.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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