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)?

cluster sampleconvenience sample     multistage samplesimple random samplestratified samplesystematic sample

(b) Describe the individuals of this study.

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

(c) What is the variable for question A?

hours scheduledtotal hours worked     number of students who worktype of job

Classify the variable as qualitative or quantitative.

quantitativeboth qualitative and quantitative     neither quantitative nor qualitativequalitative

What is the level of measurement?

nominalratio     intervalordinal

(d) What is the variable for question B?

number of students who workrating of applicability of work experience to future employment     rating of satisfaction of work experience for future employmenthours scheduled

Classify the variable as qualitative or quantitative.

both qualitative and quantitativequantitative     neither quantitative nor qualitativequalitative

What is the level of measurement?

intervalnominal     ordinalratio

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

neither a statistic nor a parameterstatistic     parameterboth a parameter and a statistic

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

Explanation / Answer

a) Stratified

b) Students on campus with work study jobs

c) Hours scheduled , quantitative ,ratio level

d) rating of applicability of work experience to future employment,

qualitiative , ordinal level

e)statistic

f) non-reponse ration = 100 -40 = 60 %

the non-respondents may not work many hours

g)  no, the samle frame is restricted to 1 campus

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