Chapter 12: Statistics
Standard NCERT & CBSE aligned study curriculum. Master concepts, track accuracy, revise weak areas, and challenge yourself with 9 customized practice modes.
This topic is taught in multiple grades. Switch classes to see specific curriculum details:
Syllabus Sections
Print-Ready Math Worksheet
Generate and print a beautiful chapter worksheet complete with key equations, problems, and dedicated writing spaces.
Worksheet Details:
- • Title: Class IX Math: Statistics Printable Sheet
- • Format: Print Optimized CSS stylesheet
- • Sections: Formulas checklist, 5 assessment questions, worked keys
NexPro Education Worksheet
Class IX Mathematics: Statistics
Section I: Key Formulas
Section II: Answer the Questions
1. The following table gives the life times of 400 neon lamps: Life time (in hours) Number of Lamps 300 - 400 14 400 - 500 56 500 - 600 60 600 - 700 86 700 - 800 74 800 - 900 62 900 - 1000 48 Represent the given information with the help of a histogram.
2. A family with a monthly income of Rs 20,000 had planned the following expenditures per month under various heads: Draw a bar graph for the given below data. Heads Expenditure (in thousand rupees) Grocery 4 Rent 5 Education of children 5 Medicine 2 Fuel 2 Entertainment 1 Miscellaneous 1
3. Draw a frequency polygon for the following distribution: Marks 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80 No. of marks 7 10 6 8 12 3 2 2
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: Length (in mm) 118-126 127-135 136-144 145-153 154-162 163-171 172-180 No. of leaves 7 10 6 8 12 3 2 Draw a histogram to represent the given data.
5. The following table gives the lifetimes of 400 neon lamps: Lifetime (in hours) Number of lamps 300 - 400 14 400 - 500 56 500 - 600 60 600 - 700 86 700 - 800 74 800 - 900 62 900 - 1000 48 (i) Represent the given information with the help of a histogram and a frequency polygon. (ii) How many lamps have a lifetime of 700 or more hours?