1. What is the mean of 5, 13, 0, 6?
2. Match the following columns
Column I
Column II
a. Diagrams are for
1. Histograms
b. Bar diagram are
2. Analysis
c. Diagram and graphs are tools of
3. Better mental appeal
d. Graphs of time series are called
4. One-dimensional diagrams
| Column I | Column II |
| a. Diagrams are for | 1. Histograms |
| b. Bar diagram are | 2. Analysis |
| c. Diagram and graphs are tools of | 3. Better mental appeal |
| d. Graphs of time series are called | 4. One-dimensional diagrams |
3. Correlation of continuity in 2 × 2 contingency table should be used when expected frequency of any cell is
4. The term errors in statistics refers to
5. If N = 9 and variance = 169, then standard deviation will be
6. The range of the following observation will be 0, 1, 1, - 1, 0 - 1, 1.
7. If N = 100, $$\sum {\text{X}}$$ = 600, $$\sum {{\text{X}}^2}$$ = 10000, then standard deviation will be
8. The probability of getting a king or a queen or a knave from a pack of cards will be
9. If 4 levels of sowing dates are laid out in main plot, 5 levels of nitrogen applied in subplot and they are replicated three times, then what will be the degree of freedom for error (b)
10. When we want to conduct a experiment on a long strip of land, which design will be preferred
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