Question

In: Statistics and Probability

Section 1. The following questions are conceptual questions based on chapters 1 and 2 (weeks 1...

Section 1. The following questions are conceptual questions based on chapters 1 and 2 (weeks 1 and 2 of the lecture notes). • Suppose that a survey is being planned for purposes of estimating the average number of hours exercising daily by adults (18 years of age or older) living in a certain community. A list of all individuals living in the community is not available; however, a list of all households is available at the office of community clerk.

Identify the following:

• Target Population:

• Variable of Interest, its type and scale of measurement:

• Parameter of Interest:

• Statistic:

• Sampling Frame:

• Case:

Expert Solution

(a)

Target Population: All adults (18 years of age or older) living in a certain community

Explanation:
Target population is the entire set of individuals for whom the survey data are used to make inferences. Here all adults (18 years of age or older) living in a certain community form the entire set of individuals for whom the survey data are used to make inferences.

(b)

(i) Variable of Interest : hours exercising daily

(ii) its type : Quantitative

(iii) scale of measurement: Ratio

(c)

Parameter of Interest : average number of hours exercising daily by adults (18 years of age or older) living in a certain community.

(d)

Statistic: average number of hours exercising daily by the sample of adults (18 years of age or older) living in a certain community selected from the list of all households, available at the office of community clerk.

(e)

Sampling Frame: the list of all households, available at the office of community clerk.

(f)

Case:

To estimate the average number of hours exercising daily by adults (18 years of age or older) living in a certain community.

orchestra answered 2 years ago

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