proof

Parin Sir > proof

Jun

(1) Find the A.M., G.M. and H.M. of 9 and 49.

Soln. A.M. = $\frac{9+49}{2}=28$ = 28 ;

G.M. =

Posted in: Examples 1 to 4,

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Jun

Results on Diagrams

☼ Results on Diagrams :

■ Histogram ( or column graph ) : For frequency distribution for grouped data, classes are converted into real class intervals, that is, class intervals whose endpoint…

Posted in: Results on Diagrams,

Tags: classes, theorem, sutr, class, theorems, Examples, education, definition, SUMS, online, definitions, example, tutorial, fundamental, math, educational, basic, Parin, maths, base, sir, mathematics, sum, bhai, ganit, dakhla, Mehta, concept, formula, maheta, proof, sutra,

Jun

Standard Deviation

☼ Standard Deviation ( S. D. or $\sigma$ ) :

(i) Ungrouped Data : –

Posted in: Standard Deviation,

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19

Jun

Mean Deviation
☼ Mean Deviation ( $\delta_{\overline{x}}$ ) :

(i) Ungrouped Data : –

Posted in: Mean Deviation ,

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19

Jun

Results On Mode
☼ Results On Mode :

(i) Ungrouped Data : –

Z = The observation which is repeated for maximum number of times.

(ii) Discrete Data ( Grouped Data ) : –

Posted in: Results On Mode,

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19

Jun

Results on Median ( M )
☼ Results on Median ( M ) :

(i) Ungrouped Data : –

First of all arrange the data in ascending or descending order of magnitude, then

M =

Posted in: Results on Median ( M ),

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Jun

Results on A.M.

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

(i) Let there be n observations

Posted in: Results on A.M.,

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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 ) = $\frac... </p> <div class=$

Posted in: Arithmetic Mean, Geometric Mean & Harmonic Mean,

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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 :

Posted in: Frequency-Distribution ,

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Jun

Mid-value

☼ Mid-value

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

Posted in: Mid-value ,

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