frequency polygon

Class 9 | Chapter 14 | Statistics | Exercise 14.3 | Question 9

Question 9: 100 surnames were randomly picked up from a local telephone directory and a frequency distribution of the number of letters in the English alphabet in the surnames was found as follows: (i) Draw a histogram to depict the…

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Class 9 | Chapter 14 | Statistics | Exercise 14.3 | Question 8

Question 8: A random survey of the number of children of various age groups playing in a park was found as follows: Draw a histogram to represent the data above. Question 7 Question 9

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Class 9 | Chapter 14 | Statistics | Exercise 14.3 | Question 7

Question 7: The runs scored by two teams A and B on the first 60 balls in a cricket match are given below: Represent the data of both the teams on the same graph by frequency polygons. [Hint : First…

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Class 9 | Chapter 14 | Statistics | Exercise 14.3 | Question 6

Question 6: The following table gives the distribution of students of two sections according to the marks obtained by them: Represent the marks of the students of both the sections on the same graph by two frequency polygons. From the…

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Class 9 | Chapter 14 | Statistics | Exercise 14.3 | Question 5

Question 5: The following table gives the life times of 400 neon lamps: (i) Represent the given information with the help of a histogram. (ii) Howmanylampshavealifetimeofmorethan700hours? Question 4 Question 6

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Class 9 | Chapter 14 | Statistics | Exercise 14.3 | Question 4

Question 4: The length of 40 leaves of a plant are measured correct to one millimetre, and the obtained data is represented in the following table: (i) Draw a histogram to represent the given data. (ii) Is there any other…

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Class 9 | Chapter 14 | Statistics | Exercise 14.3 | Question 3

Question 3: Given below are the seats won by different political parties in the polling outcome of a state assembly elections: (i) Draw a bar graph to represent the polling results. (ii) Which political party won the maximum number of…

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Class 9 | Chapter 14 | Statistics | Exercise 14.3 | Question 2

Question 2: The following data on the number of girls (to the nearest ten) per thousand boys in different sections of Indian society is given below. (i) Represent the information above by a bar graph. (ii) In the classroom discuss…

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