document.write( "Question 616509: 1. A random sample of 10 women was made to undergo a reducing program for 6 months. Their weights in pounds taken before and after undergoing the program are tabulated below. \r
\n" ); document.write( "\n" ); document.write( "Before 164 175 135 165 192 180 175 205 210 208
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\n" ); document.write( "\n" ); document.write( "Is there a significant decrease in the weights of the women after the program? Test the significance at 0.05 level.
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Algebra.Com's Answer #387774 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( "Note: 10 women
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document.write( "Using the Excel Data Analysis Tool:
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document.write( "Before: 164 175 135 165 192 180 175 205 210 208
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document.write( "  || m =180.9 and SD = 23.6
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document.write( " After: 161 170 134 165 188 181 173 195 180 197
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document.write( " || m = 174.4  and SD = 18.6\r
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document.write( "  t = 
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document.write( " degrees of Freedom = (10+10)-2= 18 ... t =.6841, 5% significance level...
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document.write( "(Using t-test Table or t-test Calculator)
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document.write( "We can conclude that there is NO significant decrease in weight after the program
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