An analyst plans to test whether the standard deviation for the time it takes bank tellers to provide service to customers exceeds the standard of 1.5 minutes. The correct null and alternative hypotheses for this test are:
A) H0 : ? > 1.5
HA : ? ? 1.5
B) H0 : ? ? 1.5
HA : ? > 1.5
C) H0 : ?2 ? 2.25
HA : ?2 > 2.25
D) H0 : ?2 > 2.25
HA : ?2 ? 2.25
C
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A medical exam can only be used for selection under which of the following situations?
a. When it is required of all applicants. b. For individuals with disabilities. c. When it is for senior executives. d. After the job is offered.
Which of the following is a reason that a social service culture can go on unchanged for years
a. The organization is undertaking something the public truly needs, with high demand and little competition b. They have changes at the top, and are reluctant to change the previous regime's way of doing things for fear of offending donors and volunteers c. funding sources insist on correcting misdirected and wasted approaches d. Outside consultants are brought in as a catalyst e. Competition from both enterprise and service form are aggressive