NCERT Solutions for class 8 Mathematics Chapter 5: Data Handling

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NCERT Solutions for class 8 Mathematics Chapter 5 Data Handling are provided in the article below. Some of the important topics for Data handling chapter are given below.

  1. Data Sets
  2. Data collection and organisation
  3. Pie Chart
  4. Pictorial Representation of Data
  5. Data handling MCQ

Download PDF: NCERT Solutions for Class 8 Mathematics Chapter 5 pdf


NCERT Solutions for Class 8 Mathematics Chapter 5

NCERT Solutions for Class 8 Mathematics Chapter 5 Data Handling is given below.

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Class 8 Mathematics Chapter 5 Data Handling – Important Topics

  • Data handling is the method of collecting data set and representing in a different form.
  • Data means a collection of numerical values that depicts a particular kind of information. 
  • As a result, data can take any form, including words, measurements, numbers, descriptions, and observations.
  • Data handling is the process of safeguarding data that is investigated and obtained, preserved, or disposed of in a secure way throughout and after the analytical process is completed.

Mean: Average of a given set of numbers is known as the mean.

Median: Middle Value in a given set of data is known as median.

Mode: Most Occurring item in a given set of data is known as mode.

Range: Difference of maximum and minimum value in a given set of data is known as Range.

Quartile: Arranging the data in quarters is known as Quartile.

Interquartile: Difference of Upper Quartile and Lower Quartile is known as Interquartile.

Variance: A measure which gives an approximate idea about data is known as variance. It is used to calculate standard deviation of a data set.

Standard Deviation: We can find how far a value is from the mean by the help of Standard Deviation.


NCERT Solutions for Class 8 Maths Chapter 5 Exercises

NCERT Solutions for Class 8 Maths Chapter 5 Data Handling Exercises are given below.

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CBSE X Related Questions

  • 1.
    If the pair of linear equations : \( a_1x + b_1y + c_1 = 0 \) and \( a_2x + b_2y + c_2 = 0 \) is consistent and dependent, then

      • \( \frac{a_1}{a_2} \neq \frac{b_1}{b_2} \)
      • \( \frac{a_1}{a_2} = \frac{b_1}{b_2} = \frac{c_1}{c_2} \)
      • \( \frac{a_1}{a_2} = \frac{b_1}{b_2} \neq \frac{c_1}{c_2} \)
      • \( \frac{a_1}{a_2} = \frac{b_1}{b_2} = \frac{c_1}{c_2} \)

    • 2.
      In the figure given above, \(\triangle ABC \sim \triangle XYZ\), then find the values of \(x\) and \(y\).


        • 3.
          Prove that :
          \(\frac{\tan \theta}{1 - \cot \theta} + \frac{\cot \theta}{1 - \tan \theta} = 1 + \tan \theta + \cot \theta\).


            • 4.
              If \(\alpha, \beta\) are the zeroes of the polynomial \(p(x) = x^2 - 3x - 1\), then find the value of \(\frac{1}{\alpha} + \frac{1}{\beta}\).


                • 5.
                  \(ABCD\) is a parallelogram such that \(AF = 7 \text{ cm}\), \(FB = 3 \text{ cm}\) and \(EF = 4 \text{ cm}\), length \(FD\) equals

                    • \(\frac{21}{4} \text{ cm}\)
                    • \(\frac{28}{3} \text{ cm}\)
                    • \(\frac{12}{7} \text{ cm}\)
                    • \(5.5 \text{ cm}\)

                  • 6.
                    The natural number 1 is :

                      • a prime number.
                      • a composite number.
                      • prime as well as composite.
                      • neither prime nor composite.

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