Statistical Data

Parin Sir > Quantitative Aptitude (Maths) > Statistical Data
19
Jun
Results on  A.M.

☼ Results on  A.M. ( \large \overline{x} )  :

 (i) Let  there be n observations

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19
Jun
Arithmetic Mean, Geometric Mean  &  Harmonic Mean

☼ Arithmetic Mean, Geometric Mean  &  Harmonic Mean  :

 (i) For any two numbers  a  and  b, we have :

A.M. ( A )  =  \frac... </p> <div class=

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Posted in: Arithmetic Mean, Geometric Mean  &  Harmonic Mean,
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19
Jun
Frequency-Distribution 

☼ Frequency-Distribution  :   The distribution ( table ) of frequencies in various classes is known as  frequency distribution.

E.g. Consider the table given below :

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19
Jun
Mid-value   

☼ Mid-value   

=  \frac{\textup{Uppe r Limit + Lowe r Limit}... </p> <div class=

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Posted in: Mid-value   ,
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19
Jun
Deterministic the Class-Length of  Grouped Data

☼ Deterministic the Class-Length of  Grouped Data :–

Class-Length  =  Upper  Limit  Point  –  Lower  Limit  Point

OR

Class-Length  =  Upper  Limit  –  Lower  Limit        :   For  Continuou…

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19
Jun
Class Limit Points ( OR  Class  Boundary  Points )

☼ Class Limit Points ( OR  Class  Boundary  Points ) :–

Upper Limit Pt.  =

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Posted in: Class Limit Points ( OR  Class  Boundary  Points ),
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19
Jun
The  Types  of   Class

☼  The  Types  of   Class :

Exclusive  Class  Interval Inclusive  Class  Interval
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16
Jun
Statistical Data

☼ Deterministic the Class-Length  ( Class Interval )  of  Ungrouped Data :–

c = \frac{R}{k}   ;Where  c= Class- Length,     k=Number  of  Classe…

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Posted in: Statistical Data,
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