The cost of a university education has increased at a much faster rate than othe

Q: The cost of a university education has increased at a much faster rate than othe

The null hypothesis is that of equality so option A is eliminated. Here we want to hypothise that the average number of hours students work per week exceeds 20. thus alternate hypothesis is >20 so option B is correct

ID: 3361618 • Letter: T

Question

The cost of a university education has increased at a much faster rate than other living expenses in general over the past twenty years. In order to compensate for this, many students work part- or full-time in addition to attending classes. At one university, it is believed that the average number of hours students work per week exceeds 20. Suppose a hypothesis test is done to test their belief. Then the correct formulation of the hypothesis is

Question 12 options:

H0 : µ < 20 and HA : µ > 20.

H0 : µ = 20 and HA : µ > 20.

H0 : µ = 20 and HA : µ 20.

H0 : µ = 20 and HA : µ < 20.

H0 : µ < 20 and HA : µ > 20.

H0 : µ = 20 and HA : µ > 20.

H0 : µ = 20 and HA : µ 20.

H0 : µ = 20 and HA : µ < 20.

Explanation / Answer

The null hypothesis is that of equality so option A is eliminated. Here we want to hypothise that the average number of hours students work per week exceeds 20. thus alternate hypothesis is >20 so option B is correct

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The cost of a university education has increased at a much faster rate than othe

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