List of top Water Science and Technology Questions on Statistics asked in ICAR AIEEA (PG)

The measure of dispersion which uses only two observations is called_____________

In a frequency distribution, the value that occurs most frequently is called the_____________

In a dataset of 10 numbers, if the mean and median are both 20, which of the following statements is/are true?
(A). The dataset contains no outliers.
(B). The dataset contains exactly one outlier.
(C). The dataset contains multiple outliers.
(D). The dataset has no mode.
Choose the correct answer from the options given below:

The upper limit of clay sized particles and the lower limit of gravel across both the USDA and IUSS classification systems is:
(A). 0.002 mm
(B). 0.005 mm
(C). 5.0 mm
(D). 2.0 mm
Choose the correct answer from the options given below:

A subset of the sample space associated with a random experiment, is called an

For mid values of 30, 38, 48, 57 and 66, the second class of distribution is

The range of given data 9, 13, 15, 17, 19, 21, 28, 8, 34 is

If coefficient of variation is 100, the mean of the data is 25, the standard deviation

Given below are two statements:
Statement I: A random variable that assume a infinite or a unaccountably infinite number of values is called continuous random variable.
Statement II: A random variable is called discrete if it has either a finite or a countable number of possible values.
In light of the above statements, choose the most appropriate answer:

Given below are two statements
Statement I: Inverted siphon is not economical when a channel has to cross a wide depression or where road surface lies close to the field surface.
Statement II: Culverts are commonly used at channel crossing when the road fill is sufficiently high and channel bed lies on the field surface on either side.
In the light of the above statements, choose the correct answer from the options given below:

Which of the followings is the safe permissible velocity of water flowing in a channel?

Which of the following concrete mix cement: sand: coarse aggregates is not used in reinforced concrete pipes?

Find the surface tension in a soap bubble of 40 mm diameter when the inside pressure is 2.5 N/m² above atmospheric pressure.

What is the return period generally adopted for design of a cross drainage works?

Two persons appear for an interview for two posts. The probability of the person A's selection is 1/5 and that of B is 1/7. The probability of atleast one of them is selected

An urn contains 15 black and 10 white balls. Two balls are drawn from the urn one after another without replacement. What is the probability that both drawn balls are black?

The mean of n observations is \(\bar{x}\). If one observation \(x_{n+1}\) is added and the new mean of n+1 observations was found to be same as previous. What was the value of \(x_{n+1}\)?