Question

Question 7
The number of books given to students in 10 days from a library are as follows :
40, 57, 32, 59, 72, 66, 40, 62, 72, 60
Find the mean of books given to students every day.

Answer 1

Answer:

mean of book given to student every day is 56

Given:-

• The number of book given to student in days as follow
• 40 , 57, 32, 59, 72, 66, 40, 62, 72, 60,

To find:-

• Mean of books given to student every day.

Solution:-

as we now

formula of mean

$mean = \frac{sum \: of \: abservation}{number \: of \: observation } \\ \\ mean = \frac{40 + 57 + 32 + 59 + 72 + 66 + 40 + 62 + 72 + 60}{10} \\ \\ mean = \frac{560}{10} \\ \\ mean = 56$

hence,

mean of book given to student every day is 56