81. What is/are the basic principles of field experimentation
82. Steps of extension teaching are
83. If $${\text{P}}\left( {\text{A}} \right) = {\text{P}}\left( {\text{B}} \right) = \frac{1}{3}$$ and $${\text{P}}\left( {{\text{A}} \cap {\text{B}}} \right) = \frac{1}{6}$$ . Then, the value of $${\text{P}}\left( {{\text{A}} \cup {\text{B}}} \right)$$ will be
84. r13.2 means the coefficient of partial correlation between
85. Which extension method is evolved in result demonstration, posters, movies, slides and film strips?
86. Match the following columns
Column I
Column II
a. The simplest method of interpolation is
1. dx/tx
b. In life table qx is calculated by formula
2. Graphic method
c. Vital index is the index of two vital statistics
3. 0 to 5
d. Theoritically the net reproduction rate can range from
4. Births and deaths
| Column I | Column II |
| a. The simplest method of interpolation is | 1. dx/tx |
| b. In life table qx is calculated by formula | 2. Graphic method |
| c. Vital index is the index of two vital statistics | 3. 0 to 5 |
| d. Theoritically the net reproduction rate can range from | 4. Births and deaths |
87. Consider the following statements. Extension in the long-run means change in
1. Knowledge
2. Skill
3. Work
4. Attitude
Correct statements are
1. Knowledge
2. Skill
3. Work
4. Attitude
Correct statements are
88. The fourth moment of Poisson distribution is
89. Which one of the following is not a basic principle of design of experiment?
90. If in binomial distribution, mean is 10 and standard deviation 2.9 will be
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