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math 2510 quiz 1 || Already Passed.

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  • Math 2510

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 goa...

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  • September 17, 2024
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  • Math 2510
  • Math 2510
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math 2510 quiz 1 || Already Passed.
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

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)?

simple random sample
multistage sample
stratified sample
cluster sample
systematic sample
convenience sample correct answers stratified sample

Describe the individuals of this study.

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

What is the variable for question A?

hours scheduled
number of students who work
type of job
total hours worked correct answers hours scheduled

Classify the variable as qualitative or quantitative. correct answers quantitative

What is the level of measurement?

ratio
nominal
ordinal
interval correct answers ratio

What is the variable for question B?

- rating of satisfaction of work

, experience for future employment
- rating of applicability of work
experience to future employment
- number of students who work
- hours scheduled correct answers rating of applicability of work experience to future
employment

Classify the variable as qualitative or quantitative. correct answers qualitataive

What is the level of measurement?

interval
nominal
ratio
ordinal correct answers ordinal

Is the proportion of responses "3 = very" to question B a statistic or a parameter? correct answers
statistic

Suppose only 40% of the students you selected for the sample respond. What is the nonresponse
rate? correct answers 60%

Do you think the nonresponse rate might introduce bias into the study? Explain. correct answers
Yes, the people choosing not to respond may have some characteristics that would bias the study

Would it be appropriate to generalize the results of your study to all work-study students in the
nation? Explain correct answers No, the sample frame is restricted to one campus.

A radio talk show host asked listeners to respond either yes or no to the question, "Is the
candidate who spends the most on a campaign the most likely to win?" Fifteen people called in
and nine said yes. What is the implied population? correct answers all listeners of the radio talk
show

What is the variable? correct answers opinion of a caller

Can you detect any bias in the selection of the sample? correct answers Yes, voluntary response.
Those with the strongest opinions are most likely to call in.

Categorize the type of sampling used: to conduct a preelection opinion poll on a proposed
amendment to the state constitution, a random sample of 10 telephone prefixes (first three digits
of the phone number) was selected, and all households from the phone prefixes selected were
called. correct answers cluster sample

Categorize the type of sampling used: To conduct a study on depression among the elderly, a
sample of 30 patients in one nursing home was used. correct answers convenience sample

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