Statistics 03 — Agri Master Mind

.......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