Square root of the variance is referred to as:
A) Coefficient of variation
B) Standard error
C) Standard deviation
D) Range
The value of regression and correlation is the same when the correlation between two variables is:
A) Positive
B) Negative
C) Perfect
D) Imperfect
The significance of difference among several means is tested with the help of:
A) x-test
B) F-test
C) t-test
D) z-test
The principles of experimental designs include:
A) Replication
B) Randomization
C) Local control
D) All of the above
When number of treatments is sufficiently large and can form square, the best suited experimental design is:
A) Latin square
B) Augmented
C) Lattice
D) Split plot
The ratio of treatment variance to error variance is known as:
A) Critical difference
B) Correction factor
C) F-value
D) None of the above
The experimental design which controls fertility variation in two directions is known as:
A) Randomized block design
B) Latin square design
C) Split plot design
D) Augmented design
Analysis of variance permits estimation of:
A) Phenotypic variance
B) Genotypic variance
C) Environmental variance
D) All of the above
Analysis of covariance permits estimation of:
A) Phenotypic covariance
B) Genotypic covariance
C) Environmental covariance
D) All of the above