flv] The mean height.
The mean of six numbers is 29. If one of the numbers is excluded, the mean of the remaining numbers
becomes 31 Find the excluded number
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1
Answer:
19
Step-by-step explanation:
mean of six no.=29
Sum of 6 no./6=29
Sum of 6 no.=29*6=174
Mean of 5 no. =31
Sum of 5 no./5=31
Sum of 5 no. =31*5=155
Excluded no.=Sum of 6 no.-sum of 5 no.
=174-155
=19
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