Abstract Algebra Answers

6. The following data represent the number of units of production per day turned
out by 5 different workmen using different types of machines

Workmen
Machine type
A B C D
1
2
3
4
5 44
46
34
43
38 38
40
36
38
42 47
52
44
46
49 36
43
32
33
39
i) Test whether the mean productivity is the same for the four different machine
types.
ii) Test whether 5 men differ with respect to mean productivity.

Three men, A, B and C agree to meet at the theatre. The man A cannot remember whether they agreed to meet at the palace or the Queens and tosses a coin to decide which theater to go to. The man B also tosses a coin to decide between the Queens and Royalty. The man C tosses a coin to decide whether to go to the palace or not and in his latter case he tosses again to decide between the Queens and the Royalty.

how to obtain expression for error in sum

Let a * H and b * H be two cosets of H.
(i) Either a * H and b * H are disjoint
(ii) a * H and b * H are identical
Then,
(A) only (i) is true
(B) only (ii) is true
(C) (i) or (ii) is true
(D) (i) and (ii) is false

prove that every non empty subset of integers which is bounded below has a minimum.

A finite cyclic group cannot have more than two generators.

every group of composite have proper subgroup.

If utilities costs were 10% below forecast of 21610, by approximately how much would this reduce total expenses over Q3?

∫√(a^(2 )-x^2 )/x^4 dx