The mean age of a group of 60 person's was found to be 43.42.later it was discovered that age 49 was missed and read as 29.find the correct mean.
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Answer:
43.7533
Step-by-step explanation:
let the sum of the correct 59 ages be S59
S59 + 29 = 43.42x60 = 2605.2
S59 + 49 = 2625.2
the correct mean = 2625.2/60 = 43.7533
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