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The marks obtained by 15 students out of a maximum of 25 in a test are given as 13, 11, 16, 15, 18, 12, 13, 14, 10, 22, 21, 20, 17, and 24. Find the sum...
What will be the mode of the following data?
13, 15, 31, 12, 27, 13, 27, 30, 27, 28 and 16
The mean of a distribution is 25 and the standard deviation is 5. What is the value of coefficient variation?
The interest earned when a sum is invested at simple interest of 20% p.a., for 3 years, is Rs. 3000. What will be the total amount received after 2 year...
14, 28, 56, 112, ...... The sum of first 10 numbers in the series is:
what is the mean of given numbers 25, 15, 12, 23, 15,
21 is divided into three parts which are in arithmetic progression (A.P.) in such a way that the sum of their square is 179. Find the smallest part.
The fourth term of an arithmetic progression is 6. Then the sum of first seven terms is:
A ball is thrown from a height of 900 m on the ground. It bounces (2/3) times of its every last bounce. Find the total distance covered by the ball ti...
Find the standard deviation of the following data (rounded of the two decimal places).
5,3,4,7
