Practice set 7.3 algebra 9th

Here, we bring to you detailed answers to the exercises of Chapter 7 Statistics. Subject matter experts who created the solutions have collected these questions for you to revise from the chapter 7 of 9th Maths Maharashtra Board Textbook. This chapter of Maharashtra State Board Class 9 Solutions deals with sub-divided bar-diagram, Grouped and ungrouped frequency distribution, Percentage bar-diagram, Cumulative frequency distribution, Primary and secondary data, Mean, Median and Mode for ungrouped data and data collection, practice set 7.3 algebra 9th.

Question 1. For class interval 20 — 25 write the lower class limit and the upper class limit. Question 2. Find the class-mark of the class Question 3.

Practice set 7.3 algebra 9th

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Meanwhile, the questions and the solutions are also available online on our webpage. Solution: Let the upper class limit be x and the lower class limit be y. While adding first 18 observations and last 18 observations, we add 18 th observation twice so.

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Question 1. For class interval 20 — 25 write the lower class limit and the upper class limit. Question 2. Find the class-mark of the class Question 3. If class-mark is 10 and class width is 6, then find the class. Solution: Let the upper class limit be x and the lower class limit be y. Question 4. Complete the following table.

Practice set 7.3 algebra 9th

If our Website helped you a little, then kindly spread our voice using Social Networks. Algebra is an important subject that Maharashtra State Board class 9 students need to study till they gather all the fundamental knowledge of the subject. These class 9 Algebra solutions Maharashtra board are prepared by our Algebra experts keeping in mind the prescribed Syllabus of Class 9 Maharashtra Board. Students referring to these Algebra solutions can easily answer all those questions that appear challenging to them. As mentioned above, how easy it is to answer challenging Algebra questions with the help of Maharashtra Board Class 9 Algebra Solutions.

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For class interval write the lower-class limit and the upper-class limit. The information of heights of students was gathered from school records and sent to the head office, as it was to be sent urgently. Maharashtra State Board Books For 12th. The mode is the value that occurs the most often in a data set, and the range is the difference between the highest and lowest values in a data set. Information of attendance of every student collected by visiting every class in a school. Watch Now. Textbook pg. Post My Comment. By taking classes — , — , — … prepare grouped frequency distribution table. The class include 0 and all the numbers less than 10 while class 10 — 20 include 10 and all the numbers less than 20 and so on. A hockey player has scored following number of goals in 9 matches. From the data, we observe that 9 students have got 35 and 37 marks which is the highest so mode is 35 and 37 marks. Prepare a frequency distribution table of the data. FREE Signup.

Exercise 7. The lucid presentation of concepts in easy-to-understand language makes the NCERT Textbooks one of the best study materials for students. To help students understand the important topics given in the chapters, each chapter has exercise questions in the middle and at the end of the chapter.

Let the lower class limit and upper class limit of the class mark 22 be x andy respectively. Question 1. The data is given for 62 students in a certain class regarding their mathematics marks out of Find the mean, median and mode of the data. The median of these observations is What is the cumulative frequency of equal to or more than type of the class ? Did not receive OTP? In the table given below, the information is given about roads. A hockey player has scored following number of goals in 9 matches. If this is replaced by70 keeping all other observations same, find the new mean.