# MCQ on Statistical Designs: RBD, CRD, ANOVA

Question 01. By what name are the units of an RBD known as?

(a). Blocks
(b). Cubes
(c). Squares
(d). Bricks

Question 02. How are treatments allocated to the experimental units inside each block in a RBD?

(a). Continuously
(b). Randomly
(c). Specifically
(d). All of the above

Question 03. What is the importance of using RBD?

(a). Managing space
(b). Reducing systematic erros
(c). Managing time
(d). All of the above

Question 04. If the experimenter focuses exclusively on the differences between treatments

(a). The effects due to variations between the different blocks should be eliminated
(b). The effects due to variations between the different blocks should be kept
(c). Either a or b
(d). None of the above

Question 05. Which is treatment in a RBD?

(a). Block
(b). Treatment
(c). Both a and b
(d). Unit

Question 06. Which is true about RBD?

1. The experimental units are partitioned into B blocks, each comprised of A units
2. Treatments are randomly assigned to the experimental units in such a way that each treatment appears once in each block

(a). Only 1 is true
(b). Only 2 is true
(c). Both 1 and 2 are true
(d). None of the above

Question 07. In which field is RBD very common?

(a). Agriculture
(b). Medical
(c). Industries
(d). Lab

Question 08. A design where the treatments are assigned completely at random so that each experimental unit has the same chance of receiving any one treatment

(a). RBD
(b). CRBD
(c). CRD
(d). SPT

Question 09. When is a CRD treatment considered as experimental error?

(a). When there is any difference among experimental units receiving the same treatment
(b). When there is any difference among experimental units receiving the different treatment
(c). Either a or b
(d). None of the above

Question 10. For which experiment is CRD appropriate?

(a). Homogenous
(b). Heterogeneous
(c). Both a and b
(d). None of the above

Question 11. Where is CRD easy to use?

(a). Field
(b). Laboratory
(c). Both field and laboratory
(d). In any condition

Question 12. Which of the following is a source of variation among the n observations obtained from a CRD trial?

(a). Variation due to experiment
(b). Erros due to treatments
(c). Experimental error
(d). None of the above

Question 13. When is the treatment difference real in a CRD?

(a). When the treatment variation is similar to experimental error
(b). When treatment variation is sufficiently smaller than experimental error
(c). Either a or b
(d). When the treatment variation is sufficiently larger than experimental error

Question 14. Which is true about ANOVA test?

(a). 0-1 variable
(b). Three or more variable
(c). Either a or b
(d). None of the above

Question 15. What is ANOVA?

(a). Analysis of variance
(b). Analysis treatments
(c). Analysis experiment
(d). All of the above

Question 16. Who is considered the father of statistics?

(a). William Fielding Ogburn
(b). Florence Nightingale David
(c). Sir Ronald Aylmer Fisher
(d). Carl Friedrich Gauss

Question 17. Who developed ANOVA?

(a). William Fielding Ogburn
(b). Florence Nightingale David
(c). Sir Ronald Aylmer Fisher
(d). Carl Friedrich Gauss

Question 18. Which is not an ANOVA model?

(a). Fixed effect model
(b). Random effect model
(c). Mixed effect model
(d). No effect model

Question 19. Which is truly matched?

1. Factorial ANOVA: When there is more than two factors
2. Repeated measures ANOVA: When the same subjects are used for each factor
3. Multivariate analysis of variance (MANOVA): When there when there is more than one treatment

(a). Only 1 is true
(b). Only 3 is true
(c). Ony 2 is true
(d). All are true

Question 20. What is the full form of ANOVA?

(a). Analytical Numerical Observation Value Assumption
(b). Analysis of variance
(c). Both a and b
(d). Analysis of Numbers of Variable Applications