document.write( "Question 438871: 4. The age of a group of attendees at a senior citizen lunch are summarized in the frequency distribution
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document.write( "below. Find the mean height. Round your answer to one decimal place.
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document.write( "Age Frequency
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document.write( "70-71 1
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document.write( "72-73 6
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document.write( "74-75 10
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document.write( "76-77 12
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document.write( "78-79 8
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document.write( "80-81 6
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document.write( "82-83 1
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document.write( "a. 13.5 b. 78.2 c. 74.7 d. 76.4 e. None of the above \n" );
document.write( "
Algebra.Com's Answer #303386 by rwm(914)![]() ![]() ![]() You can put this solution on YOUR website! Find the mean height? We know nothing about the height. kind or mean! lol \n" ); document.write( "We only know about age. \n" ); document.write( " \n" ); document.write( " |