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Chapter 14 Class 9 Statistics
Ex 14.2, 1 Important Deleted for CBSE Board 2023 Exams
Example 7 Important
Example 8 Important
Ex 14.3, 4 Important
Ex 14.3, 7 Important
Ex 14.4, 1 Important Deleted for CBSE Board 2023 Exams
Ex 14.4, 3 Important Deleted for CBSE Board 2023 Exams
Ex 14.4, 5 Important Deleted for CBSE Board 2023 Exams
Ex 14.4, 6 (i) Important Deleted for CBSE Board 2023 Exams
Chapter 14 Class 9 Statistics
Last updated at May 29, 2018 by Teachoo
Example 4 Let us now consider the following frequency distribution table which gives the weights of 38 students of a class: Suppose a students weight is 35.5, then we can t know in which class to put him For this, we need to make data to be continuous. We observe that the gap is 36 35 = 1 So, (Gap )/2 = 1/2 = 0.5 we need to add 0.5 in each upper limit & subtract 0.5 from each lower limit to make class interval continuous. Thus, Continuous frequency distribution table is