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General Statistics MCQs

1. The t distribution approaches the _______________ distribution as the sample size ___________.

2. As the degrees of freedom increase, the t distribution approaches the _____ distribution.

3. A probability distribution for all possible values of a sample statistic is known as a _____.

4. A ____________ variable can have values that are numbers on the real number line.

5. A contingency table would be used to summarize data such as ________.

6. Both qualitative and quantitative data can be displayed using a _____ graph.

7. The ___ can be used to show the rank order and shape of a data set simultaneously.

8. In a scatterplot, a(n) ______________ is a point lying far away from the other data points.

9. Sample size and the confidence level width have a (n) __________ relationship.

10. If calculated required sample size is a non integer value, we should always _____ calculated value.

11. Data displays are __________ patterns in data.

12. By selecting a larger alpha level, a researcher is ______.

13. The area under the normal curve to the right of μ equals _______.

14. The complement of an event a, within the sample space s, is the event consisting of ____________.

15. The first and second steps in constructing a frequency distribution are __________.

16. The five number summary can be calculated ___________.

17. The heights of the bars of a histogram correspond to _______ values.

18. The hypothesis statement h: μ < 60 is an example of a(an) ________ hypothesis.

19. The maximum height of a normal curve corresponds to the ________ of a normal distribution.

20. The mean of a collection of data is located at the ______ of a distribution of data.

21. The sum of the differences between sample observations and the sample mean is equal to _______.

22. To locate the percentile for a given observation in a data set, the data must be ___________.

23. Two samples are ________________ if the sample values are paired.

24. In a curvilinear regression model, the ________ represents the curvilinear effect.

25. A(n) _______ distribution has a ""bell"" shape.

26. _______ is choosing how many to order or make each time an order is planned.

27. The empirical rule applies to distributions that are ________.

28. Probability of an outcome in a decision-making situation with uncertainty is __________.

29. Raw, unorganized facts that need to be processed are called ________.

30. A histogram is a type of frequency __________.

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