The correct answer is D
Mean of a grouped data calculated using direct method, assumed mean method or step deviation method:
At a certain time in a park, the number of heads and the number of legs of monkeys and human visitors were counted, and it was found that there were 54 ...
If p = q + 2, where q is the product of six consecutive positive integers, then which of the following is/are true?
a. p is a perfect cube
The test scores of 10 students out of a maximum of 50 are recorded as 40, 38, 42, 35, 40, 42, 36, 40, 37, and 42. Find the sum of the modes of this set ...
If the standard deviation of a population is 5.5, what would be the population variance?
What will be the mode of the following data?
13, 15, 31, 12, 27, 13, 27, 30, 27, 28 and 16
The sum of the first 10 terms of an arithmetic sequence is 60 and the 10th term is 5. What is the first term of the sequence?
14, 28, 56, 112, ...... The sum of first 10 numbers in the series is:
The sum of three numbers is 226. If the ratio of the first to the second is 4:5 and that of second to the third is 7: 10 then the second number is?
3600, 600, 120, 30, 10, ?
