find mean mode and median of the data
16,18,17,14,17,16,19,17,20,18,15,16,17,15,14
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Mean
= sum of all observations / no. of observations
= 16 + 18 + 17 + 16 + 19 + 17 + 20 + 18 + 15 + 14
/ 15
= 249 / 15
=16.6
Mode
= Highest frequency or most repeated
17
Median
= Mid value
= 17
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