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EDUSMART
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Class 9 maths chapter statistics absolute notes #education #State Education Quality Index
education - CHAPTER: STATISTICS (सांख्यिकी) CLASS 9 MATHS INTRODUCTION (परिचय) Study of Data Collection, Analysis & Interpretation MEASURES OF CENTRAL TENDENCY CLASSIFICATION OF DATA DATA PRESENTATION (केंद्रीय प्रवृत्ति) (आंकड़ों का वर्गीकरण) (प्रस्तुतिकरण ) MEAN (x) (माध्य) Example: FREQUENCY TABLE (बारंबारता सारणी) Mean of 2,3,5,7,11 Average ZX SECONDARY DATA PRIMARY DATA Tally Marks Number of CLASS LIMITS: is 5.6 (गौण) (সাথসিব্রধ) times value repeats Lower/ Upper MEDIAN (माध्यक) Fred Marks CLASS MARK: (L+U)/2 By Investigator From Source Arrange in ORDER (Ascending/Descending) RANGE Max-Min himself (Self-effort) (like Net Books) GRAPHICAL REPRESENTATION (সালীভ্ীত) I n is Odd: e.g. Newspaper term eg. Height of Class Students reports (2+1)" If n is Even Mean of 2 3. FREQUENCY and terms BAR GRAPH 2. HISTOGRAM POLYGON Example: Mean ০f 2,3,5,7,11 is 5.6 Discrete categories Continuous intervals Join mid-points 0f . Hight later Ja fern anulate imgment . Gaps Equal Gaps kint' Histcgram; MODE (बहुलक) figure cosed il ngt start Grow frequency, suntBs:? (Poru nets) ing frurii Frequency Observation with MAXIMUM Frequency grams or defimitor of huffes FREQUENTLY ASKED QUESTIONS (FAQs) EXAM TIPS & SHORT TRICKS FORMULA CHEAT SHEET More than one mode possible? (Yes) Use sharp pencil for graphs Zxi RANGE CLASS MARK ExclusivelInclusive data difference Avoid Median sorting mistake (Highligft) (Max-Min) Avoid evaluation sprant for starters LAST-MINUTE REVISION SCORE 100/100 BEST OF LUCK! CHAPTER: STATISTICS (सांख्यिकी) CLASS 9 MATHS INTRODUCTION (परिचय) Study of Data Collection, Analysis & Interpretation MEASURES OF CENTRAL TENDENCY CLASSIFICATION OF DATA DATA PRESENTATION (केंद्रीय प्रवृत्ति) (आंकड़ों का वर्गीकरण) (प्रस्तुतिकरण ) MEAN (x) (माध्य) Example: FREQUENCY TABLE (बारंबारता सारणी) Mean of 2,3,5,7,11 Average ZX SECONDARY DATA PRIMARY DATA Tally Marks Number of CLASS LIMITS: is 5.6 (गौण) (সাথসিব্রধ) times value repeats Lower/ Upper MEDIAN (माध्यक) Fred Marks CLASS MARK: (L+U)/2 By Investigator From Source Arrange in ORDER (Ascending/Descending) RANGE Max-Min himself (Self-effort) (like Net Books) GRAPHICAL REPRESENTATION (সালীভ্ীত) I n is Odd: e.g. Newspaper term eg. Height of Class Students reports (2+1)" If n is Even Mean of 2 3. FREQUENCY and terms BAR GRAPH 2. HISTOGRAM POLYGON Example: Mean ০f 2,3,5,7,11 is 5.6 Discrete categories Continuous intervals Join mid-points 0f . Hight later Ja fern anulate imgment . Gaps Equal Gaps kint' Histcgram; MODE (बहुलक) figure cosed il ngt start Grow frequency, suntBs:? (Poru nets) ing frurii Frequency Observation with MAXIMUM Frequency grams or defimitor of huffes FREQUENTLY ASKED QUESTIONS (FAQs) EXAM TIPS & SHORT TRICKS FORMULA CHEAT SHEET More than one mode possible? (Yes) Use sharp pencil for graphs Zxi RANGE CLASS MARK ExclusivelInclusive data difference Avoid Median sorting mistake (Highligft) (Max-Min) Avoid evaluation sprant for starters LAST-MINUTE REVISION SCORE 100/100 BEST OF LUCK! - ShareChat