For Each of the Following Statements, State the Population Parameter

question 5

Essay

For each of the following statements, state the population parameter of interest, state the appropriate null and alternative hypotheses and indicate whether the appropriate test will be a two-tail, a left tail or a right tail test.
a. The average age a person registers to vote in Australia is greater than 20 years.
b. A minority of office workers purchase their morning coffee.
c. The average number of hours spent on a computer per day is at least 5hrs.
d. The majority of students in a particular university course who attend lectures has changed from 75%, since lecture recordings have become freely available to students.

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Definitions:

Annually

Occurring once every year or relating to a period of one year.

Motivating

The process of stimulating someone to act in a certain way in order to achieve desired outcomes or goals.

Developing Employees

The process of enhancing the capabilities and capacities of employees through various forms of learning and development activities.

Managerial Success

The achievement of desired managerial outcomes, such as reaching targets, optimizing resources, and effectively leading teams.