find the mode of 29,34,38,25,25,19,25,16,37,21,25
Answers
Step-by-step explanation:
Find the mode with this formula Mode=3(Median) - 2(Mean). The question is 29, 34, 38, 25, 25, 19, 25, 16, 37, 21, 25 .
▶ Answer :-
First arrange the data in increasing order .
→ 16, 19, 21, 25, 25, 25, 25, 29, 34, 37, 38 .
▶ Now,
°•° mean = ( Sum of all observations )/( Number of observation ) .
==> mean = \frac{16 + 19 + 21 + 25 + 25 + 25 + 25 + 29 + 34 + 37 + 38 }{11} .
11
16+19+21+25+25+25+25+29+34+37+38
.
==> mean = 275/11 .
•°• mean = 25 .
▶ Median .
→ n = 11 ( odd ) .
°•° median = ( n + 1 )/2 th term .
= ( 11 + 1 ) 2 th term .
= 12/2 th term .
= 6th term .
= 25 .
▶ using formula for finding mode .
°•° mode = 3( median ) - 2 ( mean ) .
= 3( 25 ) - 2( 25 ) .
= 75 - 50 .
= 25 .
✔✔ Hence, it is solved ✅✅.
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