The table shows the number of points scored by the winning men's jumping competition during the Olympics from 1980 to 2000. After the 2000 Olympics, the mean number of points scored by all winners since 1980 (inclusive) was 241.9. Which of the following choices must have been the winning number of points in 1992?
http://media.education2020.com/evresources/2003-13-04-00-00_files/i0330000.jpg
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OpenStudy (anonymous):
@Zale101
OpenStudy (anonymous):
@zaibali.qasmi
OpenStudy (anonymous):
WHAT ARE THE CHOOICES..???
OpenStudy (anonymous):
A.
217.5
B.
222.8
C.
243.1
D.
248.4
OpenStudy (anonymous):
@zaibali.qasmi
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OpenStudy (anonymous):
take each of this number one by one and plug in ther and find mean ..any number that gives mean 241.5 will be the answer..do and show your work
OpenStudy (anonymous):
thank you
OpenStudy (anonymous):
yw...
OpenStudy (anonymous):
none of them equal that
OpenStudy (anonymous):
sory..any number that gives 241.9 will be the answer...i messed it up..
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