Solve: `/_\ = |[71,74,77],[72,75,78],[73,76,79]|`

73, 77, 79, 83, 89, 97

61, 72, ?, 73, 59, 74, 58

The value of [C(7,0)+C(7,1)]+[C(7,1)+C(7,2)]+...+[C(7,6)+C(7,7)]

The marks scored by 40 students of class VIII in mathematics are given below: 81,55,68,79,85,43,29,68,54,73,47,35,72,64,95,44,50,77,64, 35,79,52,45,54,70,83,62,64,72,92,84,76,63,43,54,38,73,68,52,54. Prepare a frequency distribution with class size of 10 marks.

Find the mean of the following marks of 20 students on a screening test (out of 100). 76, 44, 45, 87, 71, 72, 82, 83, 41, 32, 75, 32, 46, 78, 17, 70, 84, 12, 77, 74

What is the algebraic sum of the deviations from the mean of a set of values 25, 65, 73, 75, 83, 76, 17, 15, 7, 14 ?

Find the average of 73 ,79,81,77,75

In the following question, select the missing number from the given series. 72, 76, 74, 78, 76, 80, 78, ?

Which numbers will replace the question mark (?) in the following sereis ? 77,76,80,71,87,?,98