Logylogyat Rayat Shikshan Sanstha,Karmaveer Vidyaprabodhini,Madhya vibhag,Satara. Std-9 th Sub-Algebra Topic- Statistics.

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Logylogyat Rayat Shikshan Sanstha,Karmaveer Vidyaprabodhini,Madhya vibhag,Satara. Std-9 th Sub-Algebra Topic- Statistics

Logylogyat Rayat Shikshan Sanstha,Karmaveer Vidyaprabodhini,Madhya vibhag,Satara. Std-9 th Sub-Algebra Topic- Statistics Std-9 th Sub-Algebra STATISTICS

Logylogyat Rayat Shikshan Sanstha,Karmaveer Vidyaprabodhini,Madhya vibhag,Satara. Std-9 th Sub-Algebra Topic- Statistics

Logylogyat Rayat Shikshan Sanstha,Karmaveer Vidyaprabodhini,Madhya vibhag,Satara. Std-9 th Sub-Algebra Topic- Statistics Sir Ronald Aylmer Fisher (17 February July 1962 ) was an English statician. He was described by Anders Hald as "a genius who almost single-handedly created the foundations for modern statistical science. Prof. R.A. Fisher is known as father of statistics, for his contribution in evolving statistical methods.

Logylogyat Rayat Shikshan Sanstha,Karmaveer Vidyaprabodhini,Madhya vibhag,Satara. Std-9 th Sub-Algebra Topic- Statistics Collecting Data - The information that we collect about a particular group is mostly in numerical nature, called data. When an investigators collects data according to the plan and objectives in the view, the data is called primary data. In some situations due to lack of time and resources, it may not be possible for investigators to collect the data, so he uses the data already collected by other agencies or official data published or available, such data is called 'secondary data'.

Logylogyat Rayat Shikshan Sanstha,Karmaveer Vidyaprabodhini,Madhya vibhag,Satara. Std-9 th Sub-Algebra Topic- Statistics

Logylogyat Rayat Shikshan Sanstha,Karmaveer Vidyaprabodhini,Madhya vibhag,Satara. Std-9 th Sub-Algebra Topic- Statistics

Logylogyat Rayat Shikshan Sanstha,Karmaveer Vidyaprabodhini,Madhya vibhag,Satara. Std-9 th Sub-Algebra Topic- Statistics Ex. Given below are the numbers of children in each of 34 families in a certain area: 2,3,3,1,2,4,3,2,1,2,2,1,2,1,3,1,2,1,2,1,2,2,2,3,1,2,2,1,1,2,2,3,1,2. Prepare an ungrouped frequency distribution table.

Logylogyat Rayat Shikshan Sanstha,Karmaveer Vidyaprabodhini,Madhya vibhag,Satara. Std-9 th Sub-Algebra Topic- Statistics Ex. Observe the figure and answer the following questions. …On next slide

Logylogyat Rayat Shikshan Sanstha,Karmaveer Vidyaprabodhini,Madhya vibhag,Satara. Std-9 th Sub-Algebra Topic- Statistics (i)What type of bar diagram is it? Ans: Sub divided bar diagram. (ii)How many boys and girls are there in division D? Ans: 20 boys & 50 girls. (iii)How many girls are there in division B? Ans: 30 girls. (iv)What is the total strength of all divisions? Ans: Total strength is 300. (v)Which division has the equal number of boys and girls? Ans: Division C.

Logylogyat Rayat Shikshan Sanstha,Karmaveer Vidyaprabodhini,Madhya vibhag,Satara. Std-9 th Sub-Algebra Topic- Statistics Ex. From the given data draw a percentage bar diagram. DivisionsABCD Total strength Students passed in English

Logylogyat Rayat Shikshan Sanstha,Karmaveer Vidyaprabodhini,Madhya vibhag,Satara. Std-9 th Sub-Algebra Topic- Statistics The percentage of literates males between the ages 15 & 45,in a colony is given. Class Percentag e Draw a histogram,with scale 1cm=5%

Logylogyat Rayat Shikshan Sanstha,Karmaveer Vidyaprabodhini,Madhya vibhag,Satara. Std-9 th Sub-Algebra Topic- Statistics