Chapter 13 : Statistics
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The median of 6, 8, 10, 12, 14 is
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The mean of 1, 3, 5, 7, 9 is
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Which of the following is a measure of central tendency?
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The mode of 5, 5, 6, 7, 8 is
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In statistics, data means
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The graphical representation of cumulative frequency is called
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The mean of 7, 9, 11 is
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Which measure is not affected much by extreme values?
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The highest frequency corresponds to
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A histogram represents
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The mean of 4, 8, 12, 16 is
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The median class is identified using
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If frequency is zero, then observation is
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The difference between upper and lower class limits is called
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In less than type cumulative frequency, frequencies are added from
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Which measure is easiest to calculate?
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The mean of 10, 20, 30, 40 is
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The frequency of a class tells
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The mode of data may be
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The median of 11, 13, 15, 17, 19 is
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Which one is a positional average?
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Mean = Σfx / ___
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Frequency polygon is obtained by joining
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The upper class limit of 15–25 is
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The lower class limit of 15–25 is
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The median of 2, 4, 6, 8 is
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The cumulative frequency can never be
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Which measure can be determined graphically?
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The mean of 6 and 8 is
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The mode of 1, 2, 2, 3, 4, 4, 4 is
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Which of the following is not a measure of central tendency?
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The sum of frequencies is called
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The median of even number of observations is
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The class interval 20–30 has class mark
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The arithmetic mean is also called
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Which graph is used for cumulative frequency?
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Median divides the data into
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The mean of 5, 10, 15 is
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The mode is the value which occurs
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In grouped data, class size is obtained by
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Total frequency is denoted by
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The median class is the class containing
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Which measure is most affected by extreme values?
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The mean of first 5 natural numbers is
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The class mark of class interval 10–20 is
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The mode of 2, 3, 3, 5, 7 is
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The median of 3, 5, 7, 9, 11 is
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The mean of 2, 4, 6, 8, 10 is
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The formula for volume of hemisphere is
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The area of the circular base of a cone is
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