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Suppose that the Secretary of the Interior of the Bogot District believes that the degree of satisfaction with salary in economists is equal to the

Suppose that the Secretary of the Interior of the Bogot District believes that the degree of satisfaction with salary in economists is equal to the degree of satisfaction with salary in doctors in the city. Suppose, furthermore, that previous studies show that the average degree of satisfaction with salary in physicians is 80, and that in order to determine that of economists, a sample of the scores on the degree of satisfaction given in Table 1 was taken With a significance level of 0.05 and assuming that the scores of the degree of satisfaction with the salary of economists are normally distributed with a standard deviation of 15.3 Test the hypothesis of the Secretary of the Interior regarding the degree of satisfaction with the salary between doctors and economists in the city.

TABLE 1. DEGREE OF SATISFACTION BY PROFESSION
ADMINISTRATOR ACCOUNTANT ECONOMIST
WORK SALARY PROMOTION WORK SALARY PROMOTION WORK SALARY PROMOTION
72 57 40 71 49 58 84 53 63
90 62 66 84 74 37 87 66 49
84 42 66 72 37 86 72 59 79
85 56 64 63 48 78 88 55 52
71 45 68 84 60 29 74 70 51
88 49 42 73 56 55 85 89 46
72 60 45 94 60 52 79 59 41
88 36 47 90 27 67 69 47 16
77 60 75 72 7 37 90 56 23
64 43 61 86 37 59 77 90 51
71 75 74 86 72 72 71 36 55
81 28 62 95 66 52 75 53 92
70 38 54 65 42 68 76 51 54
87 51 57 82 37 54 89 80 64
74 59 82 82 60 56
89 66 62 90 76 70
85 57 67 78 52 72
74 47 63
82 49 91

Seleccione una:

a. Resultado No concluyentes

b. Probabilidad nula

c. se rechaza la hipotesis nula en favor de la hipotesis alternativa, es decir, de acuerdo con los resultados, los economistas parecen tener en promedio, un grado de satisfaccion diferente al de los medicos de la ciudad en lo que tiene que ver con sus salarios.

d. Se rechaza la hipotesis nula en favor de la hipotesis alterna, es decir, de acuerdo con los resultados, los economistas No parecen tener en promedio, un grado de satisfaccion diferente al de los medicos de la ciudad en lo que tiene que ver con sus salarios.

e. Se rechaza la hipotesis alternativa en favor de la hipotesis nula, es decir, de acuerdo con los resultados, los economistas parecen tener en promedio, un grado de satisfaccion diferente al de los medicos de la ciudad en lo que tiene que ver con sus salarios.

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