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  1. Tallies in a frequency table are used to count the number of times a particular value or category appears in a dataset. Each occurrence is recorded as a tally mark, and these marks are then summed to determine the frequency of each category. Click here for more: https://www.tiwariacademy.com/ncert-sRead more

    Tallies in a frequency table are used to count the number of times a particular value or category appears in a dataset. Each occurrence is recorded as a tally mark, and these marks are then summed to determine the frequency of each category.

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  2. (b) Kinetic energy of an object E = 1/2 mv². If speed of the object is doubled then obviously its kinetic energy is raised to four times of its initial value. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-10/

    (b) Kinetic energy of an object E = 1/2 mv². If speed of the object is doubled then obviously its kinetic energy is raised to four times of its initial value.

    https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-10/

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  3. Given that 1-unit length represents 10 vehicles, the total number of vehicles represented by a bar of height 6 units is: Total vehicles = (Number of units) × (Vehicles per unit) = 6 × 10 = 60 Click here for more solutions: https://www.tiwariacademy.com/ncert-solutions/class-6/maths/

    Given that 1-unit length represents 10 vehicles, the total number of vehicles represented by a bar of height 6 units is:

    Total vehicles = (Number of units) × (Vehicles per unit)
    = 6 × 10
    = 60

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    https://www.tiwariacademy.com/ncert-solutions/class-6/maths/

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  4. For large data sets, a bar graph is the most suitable option. It visually represents data using rectangular bars, making it easy to compare different categories and observe trends. Click here for more: https://www.tiwariacademy.com/ncert-solutions/class-6/maths/

    For large data sets, a bar graph is the most suitable option. It visually represents data using rectangular bars, making it easy to compare different categories and observe trends.

    Click here for more:
    https://www.tiwariacademy.com/ncert-solutions/class-6/maths/

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