The method used to find the mean of a given data is(are):
The mean for a given data can be calculated using either of the following methods.
(i) Direct method
(ii) Assumed mean method
(iii) Step deviation method
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If $x_1, x_2, x_3,….., x_n$ are the observations of a given data. Then the mean of the observations will be: |
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The mode and mean is given by 7 and 8, respectively. Then the median is: |
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The mean of the data: 4, 10, 5, 9, 12 is; |
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The median of the data 13, 15, 16, 17, 19, 20 is: |
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If AM of a, a+3, a+6, a+9 and a+12 is 10, then a is equal to; |
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The class interval of a given observation is 10 to 15, then the class mark for this interval will be: |
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Construction of a cumulative frequency table is useful in determining the |
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The abscissa of the point of intersection of the less than type and of the more than type cumulative frequency curves of a grouped data gives its |
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While computing mean of grouped data, we assume that the frequencies are |
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The method used to find the mean of a given data is(are): |
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