Exam 2: Frequency and Probability Distributions
Exam 1: Introduction and Mathematical Preliminaries146 Questions
Exam 2: Frequency and Probability Distributions150 Questions
Exam 4: Percentiles percentile Ranks standard Scores and the Normal Distribution176 Questions
Exam 5: Pearson Correlation and Regression: Descriptive Aspects152 Questions
Exam 3: Measures of Central Tendency and Variability154 Questions
Exam 7: Estimation and Sampling Distributions151 Questions
Exam 8: Hypothesis Testing: Inferences About a Single Mean160 Questions
Exam 6: Probability149 Questions
Exam 9: Principles of Research Design and Statistical Preliminaries for Analyzing Bivariate Relationships150 Questions
Exam 10: Independent Groups T -Test149 Questions
Exam 13: One-Way Repeated Measures Analysis of Variance140 Questions
Exam 14: Pearson Correlation and Regression: Inferential Aspects143 Questions
Exam 15: Chi-Square Test145 Questions
Exam 16: Nonparametric Statistics135 Questions
Exam 17: Two-Way Between-Subjects Analysis of Variance117 Questions
Exam 18: Overview and Extension: Statistical Tests for More Complex Designs124 Questions
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When the potential values for a qualitative or discrete variable are mutually exclusive and exhaustive,then the probabilities associated with the individual score values will represent a probability distribution with respect to that variable.
(True/False)
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Because frequency graphs can be misleading depending on how the abscissa and ordinate are formatted,behavioral scientists rarely use them.
(True/False)
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Frequency graphs typically plot the frequency of a score along the _____.
(Multiple Choice)
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In constructing a frequency table,it would be neither practical nor informative to list 100 different values,each with a frequency of 1.
(True/False)
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On a graph,the _____ refers to the Y-axis,while the _____ refers to the X-axis.
(Multiple Choice)
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Based on the Method of Presentation section of Chapter 2,the reason that a published manuscript does not typically report all types of frequency information is because
(Multiple Choice)
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A Bar graph is different then a frequency histogram since the ____________________.
(Short Answer)
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A graph can be misleading,depending how the abscissa and ordinate are formatted.
(True/False)
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For any given score,the cumulative frequency is the frequency associated with that score plus the sum of all frequencies below that score.
(True/False)
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If the range of scores in a distribution were equal to 48 and you placed the scores within ten groups,what interval size should be used?
(Multiple Choice)
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If you were studying the effects of gender differences on reaction times.Gender or male or female should be labeled on the_____. 

(Multiple Choice)
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Relative frequency indicates the probability of observing scores in the future.
(True/False)
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If you want to graph a variable that is qualitative in nature,then you should use ____.
(Multiple Choice)
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Dr.Jones using the data above reported that 1 person out of his 100 subjects scored a perfect score of 25.This may be a _____.
(Multiple Choice)
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For any given score,the cumulative frequency is the frequency associated with that score plus the sum of:
(Multiple Choice)
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