Exam 19: An Introduction to Data Mining
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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What is data mining?
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Data mining is an effective tool to look for patterns in large data sets.
As expected,there is an entire ______ devoted to data mining.
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What is an example of a research situation in which you would use data mining techniques?
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A pivot table allows for ______ and manipulating rows and columns,as well as the contents of cells.
(Multiple Choice)
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Crosstabs summarize ______ data to create a table with row and column totals.
(Multiple Choice)
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As a general rule,we need to be as granular as possible in generating pivot tables.
(True/False)
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Today,there is an entire industry that has been devoted to data mining,and these companies tend to operate according to ______ guidelines.
(Multiple Choice)
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The variables in the data set of baby names includes all but which of the following?
(Multiple Choice)
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A pivot table allows you to visualize and manipulate rows and columns,as well as the ______ of cells.
(Multiple Choice)
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A pivot table can be created from almost any ______ output.
(Multiple Choice)
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Technology allows for the collection of every single piece of data that is available,provided ______ can be addressed.
(Multiple Choice)
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A pivot table is a special way to visualize and manipulate rows and columns as well as the contents of cells.
(True/False)
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The vast amount of information available now is measured in ______,or about 1 quintillion bytes.
(Multiple Choice)
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Which is a special tool that allows you to easily visualize and manipulate rows and columns as well as the contents of cells?
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