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Statistics

Statistics deals with collecting, organizing, and interpreting numerical data. An important aspect of statistics is the analysis of population characteristics inferred from sampling.

36,756 Questions

Are median and mean always similar why?

They are both called "measures of central tendencies" because they show something about a group of numbers and what value they are 'centered' around.

Why the median changes by changing the size of class intervals in frequency ditribution?

Because median is the mid of the class intervals. Therefore, it is a positional measurement. Hence, if the size of class interval increases or decreases then the middle position will also increase or decrease and thus median.

Would you prefer that the ratio of your income to your expenses be 1 to 4 or 4 to 1?

4 TO 1

My version:

Income to expenses would imply Income will be stated first so:

4 to 1 is good meaning the income is 4 times the expenses

1 to 4 is bad meaning you spend 4 times as much as you make.

What is sensex how is it measured?

-SENSEX - The Barometer of Indian Capital Markets

http://www.bseindia.com/about/abindices/bse30.asp

What does Eliminate the Negative mean?

What does Negative mean? Look If You Dont Know The Answer Then Dont Say Nothing At All THANK SO VERY MUCH FOR NOTHING

The meaning of mode?

it is the highest number minus the lowest number in a sequence of numbers

What is meant by a z-score?

z-score of a value=(that value minus the mean)/(standard deviation)