Statistics (Mean Median Mode)

Study Material (PDF)
Self Assesment
Study Material (PDF)
Self Assesment

Click on each question to see answer & solution.

Question No: #11

If the mean of `p` numbers is `b` and mean of `(p+q)` numbers is `a`, the mean of `q` numbers is ...........​
Ans: `\frac{(p+q)a-pb}{q}`
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Question No: #12

The median of a given frequency distribution is found graphically with the help of ............
Ans: Ogive
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Question No: #13

The abscissa of the point of intersection of less than type and of the more than types cumulative frequency curves of a grouped data gives its ............. (mean / median / mode)
Ans: Median (মধ্যমা)
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Question No: #14

The median of the data 6, 10, 5, 4, 9, 11, 20, 18 is ............

Question No: #15

If the data `x_1, x_2, x_3, ..., x_100` are arranged in ascending order, then the median is .........

Question No: #16

If the data `x_1, x_2, x_3, ..., x_99` are in ascending order, then their mean is ........

Question No: #17

Mean, median and mode are the measure of ...............................

Question No: #18

The sum of median and mode of the data 12, 19, 11, 13, 18, 11, 13, 12, 13 is ............

Question No: #19

The mode of the data 2, 3, 5, 6, 2, 4, 2, 8, 9, 4, 5, 4, 7, 4, 4 is ............

Question No: #20

Mode of the data 9, 12, 15, 18, 21 is ..........
Ans: Does exist (অস্তিত্ব নেই)
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