MCQ's on BIBD

 MCQ's on BIBD 

1. If t = 5, b = 5 and each treatment is replicated 3 times, the total number of observations in incomplete block design is

i. 5

ii. 10

iii. 15

iv. 25

2. If t = 5, b = 5 and each treatment is replicated 3 times, then the number of experiments per block in incomplete block design is

i. 3

ii. 5

iii. 10

iv. 15

3. IBD is used when

i. t< b

ii. t > k

iii. t < k

iv. t > k

4. IBD is applied to

i. secure accurate estimates

ii. Reduce expenses

iii. A block can not accommodate all treatments.

Both ii) & iii)

5. An IBD is said to be BIBD, if

i. r is constant.

 ii.λ is constant.

iii. K is constant.

iv. Both i) & ii).

6. The value in   BIBD (4, 4, 3, 3, ?)

i. 1

ii. 2

iii. 3

iv. 4

7. A BIBD (3, 4, ?, 3, ?)

i. (4, 5)

ii. (5, 3)

iii. (5, 5)

iv. (4, 6)

8. A bock design with t treatments and b blocks is connected, the rank will be:

i. A BIBD with # blocks / r is an integer is called

ii. Symmetrical BIBD

iii. Resolvable BIBD

iv. Affine Resolvable BIBD

9. Which of the following statement is true for BIBD (t = 4, b = 6, r = 3, k = 2, λ = 1)

i. Symmetrical BIBD

ii. Resolvable BIBD

iii. Affine Resolvable BIBD

10. A BIBD is always exist, when

i. K = t

ii. K < t

iii. K > t

iv. K = t -1

11. The total number of observations in a un reduced BIBD with t = 5, k = 2 and λ = 1 is

i. 5

ii. 15

iii. 20

iv. 25

12. In IBD, if blocks are grouped into larger blocks and form a complete block design is called

 i. Symmetrical BIBD

ii. Resolvable BIBD

iii. Affine Resolvable BIBD

iv. Complementary BIBD

13. A special case of IBD, if k^2 = t, the design is called

i. Symmetrical BIBD

ii. Resolvable BIBD

iii. Affine Resolvable BIBD

iii. Lattice BIBD

• Read More: Split Plot Design