SPRINT-2: Statistical Description of Data (5 Marks) | One Shot Revision | By Mr. Jatin Dembla

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TYPES OF DATA
✓ Ungrouped Data
✓ Grouped Data
>Discreate Distribution
>Continuous Distribution

[Rupali_Rajput_]

THANKYOU SO MUCH SIR FOR AMAZING SESSION

[Sport_Boy]

sir padhane Ka tareeka was awesome, nd first video, Real human, Baki exam ke baad likhenge Kuch achha

[narendrajain]

Thank youuu Sirr Apki baar 90 paar with JD sir✅

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It can be defined as
Plural:- Quantitative as well as Qualitative.
Singular:- Collection, Presentation, Analysis and Interpretation.

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TYPES of PRIMERY METHOD
• INTERVIEW METHOD
• MAILS QUESTIONNAIRE METHOD
• OBSERVATION METHOD ( Best Method for collection of data)
• QUESTIONNAIRES FILLED & SENT BY ENUMERATORS

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FREQUENCY
> No. Of times on observation is repeated.

> Addition of frequency is known as Cumulative Frequency.

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SECONDARY METHOD
• WHEN WE USE EXISTING DATA.
• WHEN DATA IS COLLECTED BY SOMEONE ELSE AND USED BY SOME OTHER PERSONS.
• LESS EXPENSIVE
• LESS TIME TAKING
• IT MAY & MAY NOT BE DIRECTLY SUITABLE

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(1) DEALS Aggregate Data
(2) CONCERNED Quantitative Data
(3) USED Future Presentation of Sales, Production, etc...
(4) BUILT Random Sampling

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OBSERVATION METHOD:
• DATA IS COLLECTED BY DIRECT OBSERVATION & INSTRUMENTS.
• BEST METHOD OF DATA COLLECTION
• MOST ACCURATE METHOD

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DATA is a numerical information obtained during Investment

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SCRUTINY OF DATA:--

> CHECKING ACCURACY AND CONSISTENCY OF DATA

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QUESTIONNAIRES FILLED & SENT BY ENUMERATOR METHOD
• ENUMERATORS COLLECTS INFORMATION DIRECTLY BY INTERVIEWING THE PERSON.
• FOR EXAMPLE, CENSUS..

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INTERVIEW METHOD:--->
• DIRECT INTERVIEW METHOD ( NATURAL CALAMITIES LIKE CYCLONES & EARTH QUAKES etc..)
• INDIRECT INTERVIEW METHOD ( RAIL ACCIDENT )
• TELEPHONIC METHOD ( FASTEST METHOD IN ALL INTERVIEW METHODS )


•

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Devided data into classes or Groups

• Quantitative ( Cardinal )(Measurable)

• Qualitative ( Ordinal )(Attributes)

• Geographical ( Spedial series data)(Location based data)

• Chronological ( Tempral & Time series data )(Time based data)

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MAILS QUESTIONNAIRE METHOD
• FORMING A WELL DRAFTING
• EVERYTHING IS PRE PREPARED
• NON- RESPONSING

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TYPES OF PRESENTATION
✓ TEXTUAL ( PARAGRAPH )
✓ TEBULAR ( TABLE FORMAT )
✓ DIAGRAMMATIC
✓ GRAPHICAL

[parthquipo]

Sir apke notes ko kaafi jagah dhund liya ap ek brr link provide krwado please apke notes ki

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• PRIMERY METHOD (First time)
• SECONDARY METHOD (