I need answers for the following with explanation. they are based on chapter of statistics
1. range of first 20 natural numbers
2. A.M. of a-2, a, a+2
3. mid point of class interval 25-40
4. median of 4,5,1,8,7,9,10
5. mean=x, median=y, mode=?
6. median of even natural numbers between 1 and 20
7. mean of first 'n' natural numbers
8. what should we take on X-axis to draw 'less than' ogive graph
9. cumulative frequency is used to find ___________
10. mean of the first 3 composite numbers,

1
thq so much so you could not get just the 1st one.....no problem
yeah
i would try my best to get it
thq so much once again
;o)

Answers

2014-11-21T21:03:21+05:30
1)19
2)a+b+c/3=3a/3=a

3)25+40/2=32.5
4)7
5)mode=3y-2x
6)11
7)n+1/2
8)upper boundary values
9)median
10)6
1 5 1
Dee, I think range = largest - smallest numbers in the given data
So range of first 20 natural numbers is 19
thq so much @jackie
Happy to help