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The mean of five numbers is 28. If one of the numbers is excluded, the mean gets reduced by 2. The excluded number is
If the mean of the following data is 18.75, then the value of p is
The mean of the following data is: 45, 35, 20, 15, 25, 40
The mean of 5 observations x, x + 2, x + 4, x + 6 and x + 8 is 11, then the value of x is:
The mean of a data set with 12 observations is calculated as 19.25. If one more value is included in the data, then for the new data with 13 observations, mean becomes 20. Value of this 13th observation is
The mean of first ten even natural numbers is
A batsman in his 12^{th} innings makes a score of 63 runs and thereby increases his average score by 2. His average score after 12^{th} innings is
Which measure of central tendency takes in account all the data?
The mean () of a frequency distribution is 45. If the value of = 20 then the value of is:
The mean of a data set with 12 observations is calculated as 19.25. If one more value is included in the data, then for the new data with 13 observations, mean becomes 20. The value of this 13^{th} observation is
In the following distribution, if the mean of the distribution is 86 then the value of p is
The arithmetic mean of the following data is
The mean of the marks obtained by 7 students in a group is 226. If the marks obtained by six of them are 340, 180, 260, 56, 275, 307, then the marks obtained by the seventh student are
The mean of 15 numbers is 25. If each number is multiplied by 4, mean of the new numbers is
120 videos463 docs105 tests

120 videos463 docs105 tests
