.......is most commonly used measure of dispersion
Standard Deviation
Dispersion
Variance
All of these
Square root of standard deviation known as......
Standard Deviation
Dispersion
Variance
All of these
If value of
V. is ............it means more variability or less homogeneity, if values of
V. less means vice versa
Medium
Greater
Coefficient of variation (C.V.) is given by........
Fisher
Johan Grant capatin
Gosset
Karl Pearson
A distribution or skewness is said to be ..if the frequency curve has a longer tail on the right hand side as compare to left hand side.
Positive
Negative
Zero
Infinite
…… may be defined as departure from symmetry or lack of symmetry of frequency distribution.
Harmonic mean
Kurtosis
Skewness
Dispersion
...........refers to degree of flatness or peakness of the frequency curve.
Harmonic mean
Kurtosis
Skewness
Dispersion
Examples of discrete distribution are...........
Binomial distribution
Poisson distribution
Both
None
Example of continuous distribution:
Normal distribution
Correlaton
Standard Deviation
None
A trial is known as........... trial if it has only two out comes namely success and failure with probability p and q respectively
Normal distribution
Correlaton
Standard Deviation
Bernoulli
In case of Binomial Distribution the relation of mean and variance is.........
Mean > Median
Mean < Median
Mean = Variance
None
In case of Poisson Distribution the relation of mean and variance is..........
Mean > Median
Mean < Median
Mean = Variance
None
In.............distribution the curve of distribution is bell shaped
Normal
Correlation
Harmonic mean
Kurtosis
Range of normal distribution is from......
- ∞ to + ∞
-1 to + ∞
-2 to +0
None
A distribution or skewness is said to be ........ if the frequency curve has a longer tail on the right hand sise as compare to left side.
Zero
One
Positive
Negative
.....studies the relation or association between two variables
Chi-square
Regression
Correlation
None
The measurement of correlation is called...........
correlation coefficient
or correlation index
Both
None
Range of correlation is varies between…
+1 to -1
-1 to + ∞
-2 to +0
None
If both the variables are varying in the same direction i.c. one is increasing the other also increasing and vice versa than it is known as .........
Positive correlation
Negative correlation
Both
None
Range of regression is varies between......
- ∞ to - ∞
-1 to + ∞
-2 to +0
None
Any statement about the population parameter is known as...........
Hypothesis
Level Of Significance
Treatment
None
A statement about parameters which to be rejected after testing is known as............
Hypothesis
Level Of Significance
null hypothesis
None
Where rejecting H 0 when it is true or accepting H ₁ when it is false is known as.......
Type 1st error
Type 2nd error
Both
None of these
The maximum probability of committing type-1 error is known as... denoted by Alfa
Hypothesis
Level Of Significance
null hypothesis
None
Generally we take (in field exp.) or (in lab. ex.) of level of significance
5% and 1%
5% and 10%
50% and 1%
None
…… is difference in total number of items (n) & linear constraints
Hypothesis
Level Of Significance
Null hypothesis
Degree of freedom
Z test / student z test is given by............
Fisher
Johan Grant capatin
Gosset
Karl Pearson
Z test/ student z test is used when sample size is
More than 50
Large >30
less than 2
None of these
Repetition of treatment under investigation is known as .........so that each treatment experiences every type of environment in the field.
Replication
Randomization
Local control
All of these
Allocation of treatment to the various experimental units by a random process is known as....
Replication
Randomization
Local control
All of these
The process of dividing the experimental material into different groups called blocks to make them greater homogenous is known as.....
Replication
Randomization
Local control
All of these
The objects of comparison which an experiment has to try out in the field or elsewhere for assessing their values are known as
Treatment
Analysis
Local control
All of these
The variation in the data due to uncontrolled factor is known as
Replication
Randomization
Experimental error
All of these
ANOVA stands for
Analysis of variance
Analysis of variables
Average value of variables
None
CRD stands for....
Compltelely Red Design
Completely randomized design
Both
None
………… ..is regarded as one way classification and no way control or elimination.
CRD
RBD
LSD
Local control
…… ..…….is applied when the experimental material is limited and homogenous, such as the soil in Pot experiments.
CRD
RBD
LSD
None
In pot or lab. experiments which experimental design is applied....
RBD
CRD
LSD
None
............provides the maximum number of degree of freedom for error, for a given number of treatments as compared to other design.
CRD
RBD
LSD
None
In which experimental design the local control is not used
CRD
RBD
LSD
Split plot Design
Error degree of freedom in CRD is...........
(N-1)(t-1)
(N-1) (t-2)
N-n2
None
RBD stands for........
Red Balance Design
Real Data Block
Randomised Block Design
None
RBD is ……….…….classification and …control
Two way, one way
Two way, Two way
Both
None of these
… .......design appropriate when the fertility gradient in the field is in one direction only.
CRD
RBD
LSD
None
…… ..is used up to 20 treatments without appreciable loss of efficiency.
CRD
RBD
LSD
None
LSD stands for ...........
Latin square design
Late square design
Latin square designation
None
……… ..……design utilizes all the three basic principles of field experimentation
CRD
RBD
LSD
None
Error degree of freedom in RBD is..........
(n-1) x (r-1)
(N-1) (t-2)
N-n2
None
It is most commonly used design in field experiment
CRD
RBD
LSD
None
…… ..is three way classification two way control of error
CRD
RBD
LSD
None