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Statistics

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

Measures of Central Tendency (Mean, Median, Mode for grouped and ungrouped data)

Subtopic

Measures of Central Tendency (Mean, Median, Mode for grouped and ungrouped data) under Statistics for Grade 10 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    In a distribution, if the mean is 1515 and the median is 1515, the mode is likely to be:

    A.

    1010

    B.

    1515

    C.

    2020

    D.

    3030

  2. 2.

    Find the mean of the squares of the first three natural numbers.

    A.

    143\frac{14}{3}

    B.

    44

    C.

    55

    D.

    133\frac{13}{3}

  3. 3.

    Which observation divides the data into two equal parts when arranged in order?

    A.

    Mode

    B.

    Mean

    C.

    Class Mark

    D.

    Median

Download the worksheet for Statistics - Measures of Central Tendency (Mean, Median, Mode for grouped and ungrouped data) to practice offline. It includes additional chapter-level practice questions.

Graphical Representation (Histograms, Frequency Polygons, Ogives)

Subtopic

Graphical Representation (Histograms, Frequency Polygons, Ogives) under Statistics for Grade 10 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    In a grouped frequency distribution, the frequency of a class is the number of:

    A.

    Classes in the table

    B.

    Observations falling in that class

    C.

    Observations below the class

    D.

    Observations above the class

  2. 2.

    If the upper limit of a class is 6060 and the class mark is 5555, what is the lower limit?

    A.

    4545

    B.

    5050

    C.

    52.552.5

    D.

    5858

  3. 3.

    The total number of students in a class is 4040. The median marks will be found at the y-value of:

    A.

    1010

    B.

    2020

    C.

    3030

    D.

    4040

Download the worksheet for Statistics - Graphical Representation (Histograms, Frequency Polygons, Ogives) to practice offline. It includes additional chapter-level practice questions.

Quartiles and Interquartile Range

Subtopic

Quartiles and Interquartile Range under Statistics for Grade 10 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    The semi-interquartile range is calculated by dividing the interquartile range by:

    A.

    11

    B.

    22

    C.

    33

    D.

    44

  2. 2.

    If Q1=100Q_1 = 100 and the semi-interquartile range is 5050, find Q3Q_3.

    A.

    150150

    B.

    200200

    C.

    250250

    D.

    300300

  3. 3.

    Calculate the semi-interquartile range for the data: 5,5,15,155, 5, 15, 15.

    A.

    00

    B.

    55

    C.

    1010

    D.

    1515

Download the worksheet for Statistics - Quartiles and Interquartile Range to practice offline. It includes additional chapter-level practice questions.