Find the mean, median ,mode and range of the given data 14,18,19,20,21,18,16
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Answer:
14, 16, 18, 18, 19, 20, 21
mode = 18
mean = sum of all observation ÷ Total Number of
observation
Mean = (14+16+18+18+19+20+21)÷7
= 126÷7
Mean = 18
Median
Number of terms (n)=7 ( odd)
Median = (n+1)th term/ 2
Median = (7+1)th term/2
8/2
= 4th term
Median = 18
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