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

Solid Mensuration, The two sides of a triangle are 17 cm and 28 cm long, an...

The two sides of a triangle are 17 cm and 28 cm long, and the length of the median drawn to the third side is equal to 19.5 cm. Find the distance from an endpoint of this median to

Allied mathematics, The tenth term in the binomial expansion of (1-1/4)(1-1...

The tenth term in the binomial expansion of (1-1/4)(1-1/5)(1-1/6)...(1-1/n+3) is equal to

Compute simple addition, John was doing his homework on vertical addition, ...

John was doing his homework on vertical addition, and had to compute : 5 3+ 3 4  and 6 8 +45 He did the first one easily, just the way his teacher had taught him. He first ad

Determine how many square centimeters, Determine how many square centimeter...

Determine how many square centimeters of paper are needed to make a label on a cylindrical can 45 cm tall with a circular base having diameter of 20 cm. Leave answer in terms of π.

.gradient, Draw the graph of y=x^2-4x from x=-1 to x=5.use the scale of 2cm...

Draw the graph of y=x^2-4x from x=-1 to x=5.use the scale of 2cm on the x axis and 1cm on the y axis.Estimate the gradient at point:x=4, x=2 and x=0

Fractions, what is 1/3 + 2/9 equal

what is 1/3 + 2/9 equal

Dividing using compatible numbers, 4 friends have 235 marbles and want to s...

4 friends have 235 marbles and want to share.How many marbles should each friend receive?

Determine series is convergent or divergent by radio test, Determine if the...

Determine if the following series is convergent or divergent by using Radio Test. Solution With this first illustration let's be a little careful and ensure that we h

Show that the height h of the tower, The angle of elevation of the to...

The angle of elevation of the top of a tower from a point on the same level as the foot of the tower is α. On advancing 'p' meters towards the foot of the tower, the angle of eleva

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