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Here, i write some formulas of un-group data of Mean, Median, Mode:
1. Mean:
Σfx/N here N stand for Number to add them.
2. Median
L+H/F (n/2 -c) now here i write small "n" that's mean you don't have to add them just count, how much numbers are there in "n" row.
3. Mode:
Most repeated number is mode answer.
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What is formula of deciles?
D=E1+((dN/10)-Cf)(I)/F The formula of deciles is different for grouped and ungrouped data.
Mode of ungrouped data with example?
*Ungrouped Data*Mode of ungrouped data:An observation occurring most frequently in the data is called mode of the data. It is denoted by Z.For Example:Find the median of the following observations4,6,8,6,7,8,8Sol:In the given data, the observation 8 occurs maximumnumber of times (3)\ Mode (Z) = 8
Basic ideas of mode of ungrouped data?
The mode of ungrouped data is the value that appears the most often. The mode may not be a number - for example if looking at the favourite colour of a set of people.
Is grouped data better than ungrouped data?
Groued or ungrouped data all used to conclude something,but that conclusion is not 100% accurate,Whatever we use those just to live in this world,so dont bother about it . Groued or ungrouped data all used to conclude something,but that conclusion is not 100% accurate,Whatever we use those just to live in this world,so dont bother about it .
When is line diagram more appropriate than a frequency polygon?
For ungrouped data.
