List of top Questions asked in ICAR AIEEA (PG)- 2023

A sample consists of:
1. All units of the population
2. 5% units of the population
3. 12.5% units of the population
4. Any fraction of the population
X and Y are two random variable with \(\mu_X = 18.4\), \(\mu_Y = 33\), \(\sigma_X = 8.4\), \(\sigma_Y = 6.4\) and \(\rho_{XY} = 0.84\). The regression line of Y on X is
1. Y = X + 7.3
2. Y = 0.64X+21.22
3. Y = 0.64X+10.61
4. Y = 0.4X+12.82
The relation between standard deviation (SD), mean deviation about mean (MD) and quartile deviation (QD) is
1. 4SD = 6MD = 5QD
2. 4SD = 5MD = 6QD
3. 6SD = 5MD = 4SD
4. 5SD = 4MD = 6QD
Chose the correct answer:
1. Measures of skewness are independent of origin and scale
2. Measures of skewness are independent of origin and not of scale
3. Measures of skewness are independent of scale and not of origin
4. Measures of skewness are dependent of origin and scale
A student while calculating the mean of 25 observations obtained a mean of 56 cm. It was later discovered at the time of checking that he had wrongly copied down an observation as 64. What is the mean if the correct value is omitted?
If in the CRD some observations are missing then also the analysis is very simple, because the missing observations are discarded and we carry out the experiment without losing the......
In RCBD we may assume that the treatment are fixed and the blocks are random, such a model is called
In the standard normal distribution, P(Z $\le$ 0) is equal to:
1. 1
2. 0.5
3. >0
4. <1
If the regression line is given by $X = 2 + 4Y$, then the correlation coefficient ($r$) is
The distribution that is formed by all possible values of a statistics is known as:
In drawing histogram for unequal class intervals the height of the rectangles will be:
“Salaries of the employees in ICAR”, is an example of which level of measurement?
Which among the following is not a cereal?
If 3% of calculators are defective, find the standard deviation of the defectives in 300 calculators?
The sum of deviation of values $x_i$ from their mean is:
Average product is equal to marginal product when:
Which of the following states has recognition because of Sharbati wheat?
Alluvial soils vary in nature from sandy loam to clay. They are generally -
A rainy day as defined by the India Meteorological Department is a day when the rainfall at a point received is ................... in 24 hours
National Biodiversity Authority is located at
Apple wooly aphid-resistant variety is
In sugarcane, sugar is stored in which cell?
“Red Rot” disease is related to
Sulfur-based fungicides are used against which of the following diseases?
A crossing of two or more breeds and alternately mating the hybrid females over several generations with males of the original breeds is called