Question

The marks obtained by a group of students are:

23,26,28,54,35,41,32,33,38 and 40. Find the:

I) Range of the marks obtained by the students.

II) Mean marks obtained by the group​

Answer 1

Answer:

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Answer 2

Answer:

I)31

II)35

Step-by-step explanation:

I) range = highest observation - lowest observation

= 54-23

= 31 is the range

II)mean marks =

$\frac{23 + 26 + 28 + 54 + 35 +41 + 32 + 33 + 38 + 40 }{10}$

$\frac{350}{10 } = 35$

so ,35 is the mean marks

hope it's helpful