Question

find the mode of 29,34,38,25,25,19,25,16,37,21,25​

Answer 1

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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