Question

 manpower-development statistician is asked to determine whether the hourly wages of semiskilled workers are the same in two cities. Suppose the company wants to test the hypothesis at the 0.05 level that there is no difference between hourly wages for semiskilled workers in the two cities:​

Answer 1

Answer:

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• The t-distribution is a sampling distribution. You could generate your own t-distribution with n-1 degrees of freedom by starting with a normal population, choosing all possible samples of one size, n, computing a t-score for each sample.

Answer 2

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No, as you said earlier, "responsibility" is singualr, so the person holding that position has only one responsibility or whatever he does is considered as one concept, responsibility, but "responsibilities" is plural and the person has more than one responsibility.