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Flashcards do conjunto (22)
- 1—
- 2—a continous probability distribution
- 3—text
- 4properties of a sampling distribution
- 5A product manager claims that 55% of the potential customers in a certain target group prefer his product over that of the competitor. what is then the probability that in a random sample of 300 people from the mentioned target group at least 60% prefer the manager's product? (sampling dsitribtion for propertion)
- 6difference of estimations and sampling distribution
- 7What are the different parameters for point estimators?
- 8Von 1000 Bachelor studierenden werden 37 zufällig ausgewählte Studenten nach alter gefragt. Durchschnittsalter gab X=23 und empirische standardabweichung s=0.6. Mittelwert und standardabweichung sind unbekannt.N>30 therefore
- 9—confidence intervals for proportions
- 10different confidence intervals
- 11required sample size for estimation of the proportion! generally for proportion finding
- 12requred sample size to find arithmetic mean for confidence intervals
- 13—
- 14whats the basic idea of anova
- 15basic idea of simple regressionRegression analysis examines whether variables are related to each other and in which direction this relationship goes. It extends analysis of variance and is often used for predictions (e.g., for rational choice models).
- 16Difference between correlation and regression
- 17—
- 18—regression
- 19—
- 20—
- 21—
- 22—t
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- FlashCards sobre fome, criado por Fabrice Gürmann em 18-01-2016.
- Criado por
- Fabrice Gürmann
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