Exam 7: Hypotheticals and You: Testing Your Questions
Exam 1: Statistics or Sadistics Its up to You49 Questions
Exam 2: Means to an End: Computing and Understanding Averages79 Questions
Exam 3: Understanding Variability: Vive La Différence80 Questions
Exam 4: A Picture Really Is Worth a Thousand Words41 Questions
Exam 5: Computing Correlation Coefficients: Ice Cream and Crime77 Questions
Exam 6: Understanding Reliability and Validity: Just the Truth76 Questions
Exam 7: Hypotheticals and You: Testing Your Questions80 Questions
Exam 8: Probability and Why It Counts: Fun With a Bell-Shaped Curve76 Questions
Exam 9: Significantly Significant: What It Means for You and Me78 Questions
Exam 10: Only the Lonely: the One Sample Z-Test78 Questions
Exam 11: Teafor Two: Tests Between the Means of Different Groups69 Questions
Exam 12: Teafor Two Again: Tests Between the Means of Related Groups81 Questions
Exam 13: Two Groups Too Many Try Analysis of Variance74 Questions
Exam 14: Two Too Many Factors: Factorial Analysis of Variancea Brief Introduction77 Questions
Exam 15: Testing Relationships Using the Correlation Coefficients: Cousins or Just Good Friends78 Questions
Exam 16: Using Linear Regression: Predicting Wholl Win the Super Bowl79 Questions
Exam 17: Chi-Square and Some Other Nonparametric Tests: What to Do When Youre Not Normal79 Questions
Exam 18: Some Other Importantstatistical Procedures You Should Know About46 Questions
Exam 19: An Introduction to Data Mining50 Questions
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If there is no difference between sample and population values,what do you have?
(Multiple Choice)
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In order to help ensure generalizability,which of the following should be TRUE about your sample?
(Multiple Choice)
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Hypotheses should reflect the theory or literature on which they are based.
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The hypothesis that posits no relationship between the variables in your study is the ______
(Multiple Choice)
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What type of hypothesis posits a difference between groups where the difference is NOT specified?
(Multiple Choice)
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A one-tailed test would be used with a directional research hypothesis.
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The null hypothesis refers to the ______,whereas the research hypothesis refers to the ______.
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When the sample accurately represents the population,the results of the study are said to have a high degree of ______.
(Multiple Choice)
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Which of the following symbols represents the null hypothesis?
(Multiple Choice)
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"There is no difference in the weight between rats fed low-fiber diets and rats fed high-fiber diets." This is an example of a(n)______.
(Multiple Choice)
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A representative sample allows you to generalize your results to a ______.
(Multiple Choice)
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If you were to hypothesize that test scores from Classroom A will be higher than test scores from Classroom B,you would have a ______.
(Multiple Choice)
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A greater difference between the sample statistic and the population parameter means that you will have ______ sampling error.
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If you were to hypothesize that there is a positive relationship between reaction time and problem-solving ability,you would have a ______.
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