Rekha obtained the following scored out of hundred of math test 8892 9580 5500 what is mean score
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Rekha's scores :
88, 92, 95, 80, 55, 00
Mean =
sum of observation/ total number of observations
= 88 + 92 + 95 + 80 + 55 + 00/ 6
= 410 /6
= 68.3
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