Class mid points and class interval or width, Mathematics

Assignment Help:

Class Mid points

This is very significant values which mark the center of a provided class. They are acquired by adding together the two limits of a provided class and dividing the result by 2.

Class interval or width

It is the difference between a lower class boundary and upper class boundary. The value normally measures the length of a provided class.

Age (yrs)

No. of Students (f)

mid points (x)

x-a = d

D/c = u

fu

15 - 19

21

17

-15

-3

-63

20 - 24

35

22

-10

-2

-70

25 - 29

38

27

-5

-1

-38

30 - 34

49

32(A)

0

0

0

35 - 39

31

37

+5

+

31

40 - 44

19

42

+10

+2

38

 

193

 

 

 

-102


Related Discussions:- Class mid points and class interval or width

Calculate the area and perimeter of a right triangle, Calculate the area an...

Calculate the area and perimeter of a right triangle: Calculate the area and perimeter of a right triangle with a 9" base and sides measuring 12 and 15.  Be sure to involve th

Multiplication of complex numbers, Multiplication of complex numbers Af...

Multiplication of complex numbers After that, let's take a look at multiplication.  Again, along with one small difference, it's possibly easiest to just think of the complex n

What is the square root of -i and argument of -i, What is the square root o...

What is the square root of -i and argument of -i Ans) argument of -i is 270 ad 1 is the square root of -i

What could the dimensions of the floor be in terms of x, Harold is tiling a...

Harold is tiling a rectangular kitchen floor with an area that is expressed as x 2 + 6x + 5. What could the dimensions of the floor be in terms of x? Because area of a rectang

Solving whole number riddles, What is the answer for I am greater than 30 a...

What is the answer for I am greater than 30 and less than 40. The sum of my digits is less than 5.

Solids, a can of soup is shaped like wich solid

a can of soup is shaped like wich solid

Derive expressions for the mean and variance, On each day t of n days, N cu...

On each day t of n days, N customers of a supermarket were sampled and the number Xt expressing dissatisfaction was recorded. The results suggested that there were good and bad day

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd