Exam 2: Frequency Distributions and Graphs
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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Using the following frequency distribution, construct a frequency
Temperature Frequency 28.5-31.5 1 31.5-34.5 3 34.5-37.5 6 37.5-40.5 10 40.5-43.5 8 43.5-46.5 7
polygon.
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Year in Sehool Number of Students Freshmen 25 Sophomores 13 Juniors 39 Seniors 19
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A histogram is a graph that represents the cumulative frequencies for the classes in a frequency
distribution.
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