While forming grouped frequency distribution the number of classes should be
A. Less than 2
B. Less than 5
C. Less than 10
D. Between 5 and 15
Select an option to see the answer and solution.
Which design follow the number of rows = number of columns = Number of treatments
A. Augmented design
B. Strip plot design
C. LSD
D. RBD
Select an option to see the answer and solution.
A good index number is one that satisfies
A. Time reversal test
B. Unit test
C. Circular test
D. Factor reversal test
E. All of the above
Select an option to see the answer and solution.
The value of QD in standard normal distribution will be
Select an option to see the answer and solution.
Unit of the IRDP
A. Village
B. Block
C. District
D. State
Select an option to see the answer and solution.
In case of normal distribution, B2 is
A. Zero
B. 3
C. 2
D. Less than 3
Select an option to see the answer and solution.
Coefficient of contingency is given by
Select an option to see the answer and solution.
To prove the worth of a new practice suited to a particular area, the best method of extension education is
A. Method demonstration
B. Result demonstration
C. Field trails
D. Farm visits
Select an option to see the answer and solution.
Units of analysis and interpretation include
A. Rates
B. Ratio
C. Percentage
D. None of these
Select an option to see the answer and solution.
While testing the significance of the difference of two sample means in case of small samples. The degree of freedom is calculated by
A. v = n1 + n2
B. v = n1 + n2 - 2
C. v = n1 - n2
D. v = n1 + n2 - 1
Select an option to see the answer and solution.
Which measure of central tendency is appropriate for index numbers
A. Harmonic mean
B. Arithmetic mean
C. Mode
D. Geometric mean
Select an option to see the answer and solution.
Which measure of central tendency is applied for calculation of regression and correlation coefficient
A. Arithmetic mean
B. Harmonic mean
C. Median
D. Geometric mean
Select an option to see the answer and solution.
Which design provides maximum number of degrees of freedom for the estimation of error as compared with other design for the given number of experimental units
A. RBD
B. SPD
C. Augmented design
D. CRD
Select an option to see the answer and solution.
Coding of the data is done to assign
A. Numeral to answer
B. Symbol to answer
C. Both A and B
D. None of these
Select an option to see the answer and solution.
The average size of shoes is 8, then here average mean is
A. Arithmetic mean
B. Median
C. Mode
D. Harmonic mean
Select an option to see the answer and solution.
CONA stands for
A. Comperative Oriented Need Assessment
B. Community Oriented Need Assessment
C. Commercial Oriented Natural Assignment
D. None of the above
Select an option to see the answer and solution.
Two samples of size 12 and 10 gave variance 16 and 36. The df of F-statistics will be
A. 10, 12
B. 20
C. 11, 9
D. 9, 11
Select an option to see the answer and solution.
The mean of the binomial distribution is
A. np
B. npq
C. D. None of these
Select an option to see the answer and solution.
Which of the following is not a method of group communication?
A. Conference
B. Field trips
C. National demonstration
D. Farm and home visits
Select an option to see the answer and solution.
Panchayati Raj was first time introduced in which of the following state?
A. Rajasthan
B. Punjab
C. Andhra Pradesh
D. Odisha
Select an option to see the answer and solution.