QUESTION 1
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1/1 POINTS
A grain elevator measures the weight of each truck that delivers grain to their site. What
is the level of measurement of the data?
That is correct!
Nominal
Ordinal
Interval
Ratio
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QUESTION 2
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1/1 POINTS
A regional airline service advertises that their average ticket price is $75. Given that
their ticket prices are $14, $85, $94, and $107, why is this statistic misleading?
That is correct!
The statistic contains a calculation error.
, The sample is biased.
The sample size is insufficient.
The data contains an outlier.
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QUESTION 3
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1/1 POINTS
Is a survey that asks the opinions of students about a proposed tour program to a hill
station an observational study or experimental study? If it is an experimental study, what
is the controlled factor?
That is correct!
The study is an experiment. The controlled factor is the students.
The study is an observational study.
The study is an experiment. The controlled factor is the hill station.
The study is an experiment. The controlled factor is the survey.
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