Exam 13: Glossary
Exam 1: The Nature of Probability and Statistics54 Questions
Exam 2: Frequency Distributions and Graphs83 Questions
Exam 3: Data Description101 Questions
Exam 4: Discrete Probability Distributions79 Questions
Exam 5: The Normal Distribution84 Questions
Exam 6: Confidence Intervals and Sample Size76 Questions
Exam 7: Hypothesis Testing90 Questions
Exam 8: Testing the Difference Between Two Means, Two Proportions, and Two Variances74 Questions
Exam 9: Correlation and Regression83 Questions
Exam 10: Chi-Square and Analysis of Variance Anova71 Questions
Exam 11: Tables71 Questions
Exam 12: Data Bank91 Questions
Exam 13: Glossary68 Questions
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A researcher is using a random number table to pick between two groups labelled X and Y. X is to be chosen with a probability of and Y with a probability of 2/7. The researcher assigns the digits {1, 2, 3,
4, 5} to X and the digits to Y. The researcher uses this section of a random number table: What are the first and second choices?
(Multiple Choice)
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A series of random digits is used to simulate the correct answers in a simulated multiple-choice quiz. Digit Choice 1 2 3 4 5 6 7 8 9 0 Given that the following ten numbers were picked, how many questions had a correct answer of either A
Or E?
(Multiple Choice)
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If a researcher chooses a name at random in the phone book and then chooses every 100th name thereafter
as a sample, the researcher would be employing the method of systematic sampling.
(True/False)
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A researcher is using a random number table to pick between two groups labelled X and Y. X is to be chosen with a probability of and Y with a probability of The researcher assigns the digits {1, 2, 3,
4, 5} to X and the digits {6, 7} to Y. The researcher uses this section of a random number table: What are the first and second choices?
(Multiple Choice)
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Which of the following methods will give a truly random sampling of the general population?
(Multiple Choice)
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A researcher is using a random number table to pick between two groups labelled X and Y. Each group is to be chosen with the same probability (0.50). The researcher assigns the odd digits {1, 3, 5, 7, 9} to X
And the even digits {2, 4, 6, 8, 0} to Y. The researcher uses this section of a random number table
6 5 9 5 2 5 5 8 7 5
What are the first and second choices?
(Multiple Choice)
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A small city politician is running for the ward council seat. If the politician decides to poll three blocks in the ward to determine his chance of winning the seat, what type of sampling is being used?
(Multiple Choice)
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A researcher is using a random number table to pick between two groups labelled X and Y. X is to be chosen with a probability of and Y with a probability of The researcher assigns the digits
From 1 through 36 to X and the digits 37 to 56 to Y. The researcher uses this section of a random number
Table: What are the first and second choices?
(Multiple Choice)
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