Elton is a candle maker. Each 15 cm long candle he makes burns evenly for 6 hours. If Elton makes a 45 cm long candle, how long
2 answers:
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Solution: We are given below data:
Now to find the mean deviation, we use the below formula:
Where:
represents the summation
X, represents the observation.
represents the mean
N represents the number of observation.
Therefore, the mean deviation is:
= 4