मान 5/(2^2. 3^2)+7/(3^2 .4^2)+9/(4^2. 5^2)+11/(5^2. 6^2)+ 13/(6^2. 7^2)+15/(7^2. 8^2)+17/(8...

The value of 3/(1^2. 2^2)+5/(2^2. 3^2)+7/(3^2. 4^2)+9/(4^2. 5^2)+(11)/(5^2. 6^2)+(13)/(6^2. 7^2)+(15)/(7^2. 8^2)+(17)/(8^2. 9^2)+(19)/(9^2. 10^2) is 1/(100) (b) (99)/(100) (c) 1 (d) (101)/(100)

(5) / (3 ^ (2) 7 ^ (2)) + (9) / (7 ^ (2) 11 ^ (2)) + (13) / (11 ^ (2) 15 ^ (2)) + .... oo

(1^(2)-2^(2)+3^(2)) + (4^(2)-5^(2)+6^(2))+(7^(2)-8^(2)+9^(2))….30 terms

(1)/(2.4)+(1.3)/(2.4.6)+(1.3.5)/(2.4.6.8)+(1.3.5.7)/(2.4.6.8*10)+....oo is equal to

A company manufactures car batteries of a particular type. The lives (in years) of 40 such batteries were recorded as follows: 2.6 3.0 3.7 3.2 2.2 4.1 3.5 4.5 3.5 2.3 3.2 3.4 3.8 3.2 4.6 3.7 2.5 4.4 3.4 3.3 2.9 3.0 4.3 2.8 3.5 3.2 3.9 3.2 3.2 3.1 3.7 3.4 4.6 3.8 3.2 2.6 3.5 4.2 2.9 3.6 Construct a grouped frequency distribution table for this data, using class intervals of size 0.5 starting from the interval 2 - 2.5.