ull and alternative hypc At least two of the popu At least two of the popu HL = "PT "C = HSA "L HpT # Hc# SA %3D %3D HL HpT Hc # SA HL = HpT= Hc = SA %3D Not all the population HL=HPT = HC = "SA %3D %3D HL= HPT = HC = SA %3D %3D Not all the population
Permutations and Combinations
If there are 5 dishes, they can be relished in any order at a time. In permutation, it should be in a particular order. In combination, the order does not matter. Take 3 letters a, b, and c. The possible ways of pairing any two letters are ab, bc, ac, ba, cb and ca. It is in a particular order. So, this can be called the permutation of a, b, and c. But if the order does not matter then ab is the same as ba. Similarly, bc is the same as cb and ac is the same as ca. Here the list has ab, bc, and ac alone. This can be called the combination of a, b, and c.
Counting Theory
The fundamental counting principle is a rule that is used to count the total number of possible outcomes in a given situation.
The second slide is the first part of the question and the first slide is the second part of the question.
The data for 10 individuals from the four professions is given in the following table.
Lawyer | Physical Therapist | Cabinetmaker | Systems Analyst |
46 | 57 | 54 | 42 |
40 | 80 | 67 | 73 |
76 | 80 | 77 | 69 |
40 | 86 | 69 | 60 |
53 | 58 | 77 | 66 |
52 | 61 | 66 | 66 |
45 | 60 | 57 | 39 |
46 | 50 | 78 | 55 |
66 | 57 | 84 | 74 |
38 | 52 | 62 | 62 |
It is required to test whether there is any difference in job satisfaction among the four professions.
The given level of significance is 0.05.
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