You are conducting a study of students doing work-study jobs on your campus. Amo

Question

You are conducting a study of students doing work-study jobs on your campus. Among the questions on the survey instrument are the following.

A. How many hours are you scheduled to work each week? Answer to the nearest hour.
B. How applicable is this work experience to your future employment goals?
    Respond using the following scale: 1= not at all, 2 = somewhat, 3 = very

(a) Suppose you take random samples from the following groups: freshmen, sophomores, juniors, and seniors. What kind of sampling technique are you using (simple random, stratified, systematic, cluster, multistage, convenience)?

(b) Describe the individuals of this study.

Students on your campus.Students on all campuses with work-study jobs.    Students on all campuses.Students on your campus with work-study jobs.

(c) What is the variable for question A?

number of students who worktype of job    total hours workedhours scheduled

Classify the variable as qualitative or quantitative.

both qualitative and quantitativequantitative    qualitativeneither quantitative nor qualitative

What is the level of measurement?

rationominal    ordinalinterval

(d) What is the variable for question B?

rating of applicability of work experience to future employmentrating of satisfaction of work experience for future employment    number of students who workhours scheduled

Classify the variable as qualitative or quantitative.

qualitativeneither quantitative nor qualitative    quantitativeboth qualitative and quantitative

What is the level of measurement?

nominalinterval    ordinalratio

(e) Is the proportion of responses "3 = very" to question B a statistic or a parameter?

statisticparameter    both a parameter and a statisticneither a statistic nor a parameter

(f) Suppose only 40% of the students you selected for the sample respond. What is the nonresponse rate?
%
Do you think the nonresponse rate might introduce bias into the study? Explain.

No, the people choosing to respond probably don't have characteristics that would bias the study.No, the people choosing not to respond probably don't have characteristics that would bias the study.    Yes, the people choosing not to respond may have some characteristics that would bias the study.Yes, the people choosing to respond may have some characteristics that would bias the study.

(g) Would it be appropriate to generalize the results of your study to all work-study students in the nation? Explain.

No, the sample frame is restricted to one campus.No, results only apply to the students sampled.    Yes, the sample is random so the results can be applied anywhere.Yes, the sample frame is for all campuses.

Explanation / Answer

Part-a-Stratified random sampling as homogenous groups are made and then random sample are drawn from these groups separately.

Part-b- Students on your campus with work-study jobs.

Part-c- total hours scheduled

It is quantitative variable.

Level of measurement is ratio

Part-d- rating of applicability of work experience to future employment

Qualitative

Ordinal

Part-e-neither statistcis nor parameter

Part-f Nnrespeose rate=60%

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