Skewness, Basic Statistics

Assignment Help:

Skewness

It is the comparison of the mean, median and mode can reveal information about the characteristics of skewness.

Definition

The distribution of the data is skewed if the data is not symmetric and  it extends more to one  side than the other. (A distribution of data is symmetric if the left half of its  histogram is roughly the mirror image of its right half.)

Type of skewness

  • Skewed to the left (Negatively Skewed):

The mean and median both lies to the left of the mode.

 

  • Symmetric (which is Zero Skewness):

The median, mean  and mode remains the same.

 

  • Skewed towards the right (Positively Skewed):

The mean and median both lies to the right of the mode.

 


Related Discussions:- Skewness

Operation research, A paper mill produces two grades of paper viz., X and Y...

A paper mill produces two grades of paper viz., X and Y. Because of raw material restrictions, it cannot produce more than 400 tons of grade X paper and 300 tons of grade Y paper i

Metaphor, writing a Introduction on Metaphor

writing a Introduction on Metaphor

Index numbers, discuss the considerations to be born in mind when constract...

discuss the considerations to be born in mind when constracting index numbers

Index numbers, What are the advantages and disadvantages of index numbers

What are the advantages and disadvantages of index numbers

Difference in the loss in man-hours - accidents in firms, An occupational h...

An occupational health inspector was interested in determining whether there is a difference in the loss in man-hours due to accidents  by introducing a new safety programme.  The

Probability, if you tossed coin 6 times what is probability of getting more...

if you tossed coin 6 times what is probability of getting more than 3 head?

Level of significance, Consider the sample data for plants A, B, C & D of t...

Consider the sample data for plants A, B, C & D of the above company, which are tabulated in table 1. Test whether the four means are equal at the 5% level of significance. Perform

Actual velocity, A boat is heading across a river at a velocity of 25 mph. ...

A boat is heading across a river at a velocity of 25 mph. The river is flowing downstream at 10 mph. What is the actual velocity of the boat?

Calculate the weighted average cost of capital, The Foschini Group has just...

The Foschini Group has just issued a batch of preference shares that will pay a constant dividend of R8, beginning 6 years from now. If the required rate of return is 8%, what does

Sta, explain two charateristics.and two aapplication ofics statist

explain two charateristics.and two aapplication ofics statist

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