Exam 2: Frequency Distributions
Exam 1: Introduction to Statistics76 Questions
Exam 2: Frequency Distributions74 Questions
Exam 3: Central Tendency75 Questions
Exam 4: Variability75 Questions
Exam 5: Z-Scores: Location of Scores and Standardized Distributions77 Questions
Exam 6: Probability76 Questions
Exam 7: Probability and Samples: the Distribution of Sample Means77 Questions
Exam 8: Introduction to Hypothesis Testing76 Questions
Exam 9: Introduction to the T Statistic74 Questions
Exam 10: The T Test for Two Independent Samples75 Questions
Exam 11: The T Test for Two Related Samples76 Questions
Exam 12: Introduction to Analysis of Variance74 Questions
Exam 13: Repeated-Measures Analysis of Variance Anova75 Questions
Exam 14: Two-Factor Analysis of Variance Independent Measures75 Questions
Exam 15: Correlation76 Questions
Exam 16: Introduction to Regression75 Questions
Exam 17: The Chi-Square Statistic: Tests for Goodness of Fit and Independence75 Questions
Exam 18: The Binomial Test75 Questions
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A researcher surveys a sample of n = 200 college students and asks each person to identify his or her favorite movie from the past year.If the results are presented in a frequency distribution graph,the researcher should use a bar graph.
(True/False)
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For the distribution in the following table,the percentile rank for X = 19.5 is 20%.? \% 25-29 100\% 20-24 80\% 15-19 20\%
(True/False)
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What is the shape of the distribution for the following set of data?Scores: 1,2,3,3,4,4,4 5,5,5,5,6
(Multiple Choice)
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The normal distribution is an example of a symmetrical distribution.
(True/False)
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For the distribution in the following table,what is the percentile rank for X = 7?? X c\% 9 100\% 8 80\% 7 50\% 6 25\%
(Multiple Choice)
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There is a total of n = 5 scores in the distribution shown in the following table.? 5 2 4 8 3 5 2 3 1 2
(True/False)
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The classrooms in the Psychology department are numbered from 100 to 108.A professor records the number of classes held in each room during the fall semester.If these values are presented in a frequency distribution graph,what kind of graph would be appropriate?
(Multiple Choice)
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A sample of n = 15 scores ranges from a high of X = 11 to a low of X = 3.If these scores are placed in a frequency distribution table,how many X values will be listed in the first column of that table?
(Multiple Choice)
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If the following continuous distribution was shown in a histogram,the bar above the 15-19 interval would reach from ____ to ____.? 20-25 2 15-19 5 10-14 4 5-9 1
(Multiple Choice)
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For the distribution in the following table,what is the percentile rank for X = 24.5?? X c\% 30-34 100\% 25-29 90\% 20-24 60\% 15-19 20\%
(Multiple Choice)
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If a set of scores covers a range of 80 points,the grouped frequency table should use an interval width of 8 points.
(True/False)
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In a frequency distribution graph,frequencies are presented on the ____ and the scores (categories)are listed on the ____.
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For the following distribution of quiz scores,How many individuals had a score of X = 2?? 5 6 4 5 3 5 2 3 1 2
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For the distribution in the following table,what is the percentile rank for X = 32?? X c\% 30-34 100\% 25-29 90\% 20-24 60\% 15-19 20\%
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