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Statistik Vorlesung 2 Flashcards | StudBud
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Statistik Vorlesung 2
Statistik Vorlesung 2
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Questions
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Answers
1
Why is statistics essential for empirical sciences?
It allows us to make precise individual predictions.
It helps in understanding patterns and making informed decisions.
It replaces the need for experiments.
It only applies to economic research.
2
Why do people struggle with probabilities compared to absolute frequencies?
People don’t understand numbers.
Probabilities are always incorrect.
Absolute frequencies change randomly.
Probabilities are harder to visualize than whole numbers
3
What is the key difference between descriptive and inferential statistics?
Descriptive statistics summarize data inferential stat. make predictions
Descriptive statistics use samples, inferential statistics use populations
Inferential statistics only apply to physics
Descriptive statistics always require probability calculations
4
Which scale level applies to "shoe size"?
Ratio
Nominal
Interval
Nominal
5
Which scale level applies to "distance in kilometers"?
Nominal
Ordinal
Interval
Ratio
6
Which scale level applies to "ranking of participants in a race"?
Ratio
Nominal
Ordinal
Interval
7
Which scale level applies to "years of education completed"?
Ratio
Nominal
Ordinal
Interval
8
Is it appropriate to use a grouped frequency distribution when the data has a natural order but no meaningful zero point
False
True
