9th Maths 1 Practice Set 74 Statistics Chapter 7 Std 9th Algebra Maharashtra

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This Video explains Practice Set 7.4 Class 9 of Chapter 7 Statistics of Standard 9 for Algebra Maharashtra State Board. • #Std9 #Maharashtra #SSC #Class9 • Following questions of Maharashtra State Board Practice Set 7.4 Class 9 of Chapter 7 Statistics of Standard 9 have been explained in the video: • Question 1. • Complete the following cumulative frequency table: • Question 2. • Complete the following Cumulative Frequency Table: • Question 3. • The data is given for 62 students in a certain class regarding their mathematics marks out of 100. Take the classes 0 – 10, 10 – 20,… and prepare frequency distribution • table and cumulative frequency table more than or equal to type. • 55. 60, 81, 90, 45, 65, 45, 52, 30, 85, 20, 10, • 75, 95, 09, 20, 25, 39, 45, 50, 78, 70, 46, 64, • 42. 58. 31, 82, 27, 11, 78, 97, 07, 22, 27, 36, • 35, 40, 75, 80, 47, 69, 48, 59, 32, 83, 23, 17, • 77, 45, 05, 23, 37, 38, 35, 25, 46, 57, 68, 45. • 47,49 • From the prepared table, answer the following questions : • i. How many students obtained marks 40 or above 40? • ii. How many students obtained marks 90 or above 90? • iii. How many students obtained marks 60 or above 60? • iv. What is the cumulative frequency of equal to or more than type of the class 0 – 10? • Question 4: • Using the data in example (3) above, prepare less than type cumulative frequency table and answer the following questions. • • (i) How many students obtained less than 40 marks ? • (ii) How many students obtained less than 10 marks ? • (iii) How many students obtained less than 60 marks ? • (iv) Find the cumulative frequency of the class 50-60.

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