Question

the weight of student at follows: 30,39,31,33,40,31,36,35,40.find the mean of this data​

Answer 1

Answer:

we have to add these digits and divide them by the no. of digits

So,

30+39+37+33+39+40+31+36+35+40/1030+39+37+33+39+40+31+36+35+40/10

=360/10=360/10

=36 kg=36kg

Answer 2

Question:

The weight of student at follows: 30,39,31,33,40,31,36,35,40. Find the mean of this data​.

Formula Used:

$Mean=\frac{sum \:of \:values}{no\:of\:values}$

Solution:

The weight of the students are 30,39,31,33,40,31,36,35,40

In arranged order from ascending to descending order - 30 , 31 , 31 , 33 , 35 , 36 , 39 , 40 , 40

$Mean=\frac{sum \:of \:values}{no\:of\:values}$

$Mean=\frac{sum \:of \:values}{no\:of\:values}\\\\\\\frac{30 + 31 + 31 + 33 + 35 + 36 + 39 + 40 + 40}{9}\\\\\\=\frac{315}{9}\\\\\\=35\\\\\\\boxed{=35}$

Answer:

The mean of the data is 35

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