Exam 21: Introduction to Data Mining
Exam 1: Data and Decisions29 Questions
Exam 2: Visualizing and Describing Categorical Data30 Questions
Exam 3: Describing, Displaying, and Visualizing Quantitative Data16 Questions
Exam 4: Correlation and Linear Regression21 Questions
Exam 5: Randomness and Probability22 Questions
Exam 6: Random Variables and Probability Models20 Questions
Exam 7: The Normal and Other Continuous Distributions20 Questions
Exam 8: Data Sources: Observational Studies and Surveys23 Questions
Exam 9: Data Sources: Experiments12 Questions
Exam 10: Sampling Distributions and Confidence Intervals for Proportio18 Questions
Exam 11: Confidence Intervals for Means20 Questions
Exam 12: Testing Hypotheses21 Questions
Exam 13: More About Tests and Intervals16 Questions
Exam 14: Comparing Two Means13 Questions
Exam 15: Inference for Counts: Chi-Square Tests17 Questions
Exam 16: Inference for Regression19 Questions
Exam 17: Understanding Residuals19 Questions
Exam 18: Multiple Regression18 Questions
Exam 19: Building Multiple Regression Models16 Questions
Exam 20: Time Series Analysis18 Questions
Exam 21: Introduction to Data Mining11 Questions
Exam 22: Quality Control20 Questions
Exam 23: Nonparametric Methods13 Questions
Exam 24: Decision Making and Risk19 Questions
Exam 25: Analysis of Experiments and Observational Studies9 Questions
Exam 26: Statistics and Data Analysis207 Questions
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Suppose data mining is used to determine how much a customer spends annually on energy efficient products.In data mining this is referred to as what type of problem?
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Data used in a supervised problem to build the predictive model is known as ________________________ .
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Suppose data mining is used to determine whether or not a customer would purchase a hybrid vehicle.In data mining this is referred to as what type of problem?
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Data not used in building the model but used to evaluate the performance of the model is known as ________________________ .
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Suppose the goal of data mining using in a data warehouse is to predict whether a customer's expenditures on international specialty food items would increase, decrease or stay the same in the next year.What technique might be most appropriate for achieving this goal?
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Suppose data mining is used to determine whether or not a household subscribes to magazines about home and garden.In data mining this is referred to as what type of problem?
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Suppose data mining is used to determine how important it is for a customer to purchase a vehicle with a very low carbon footprint.In data mining this is referred to as what type of problem?
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Popular data mining tools inspired by models that tried to mimic the function of the brain are known as ________________________ .
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Suppose the goal of data mining in a data warehouse was to predict whether a household's telecommunication needs will increase, decrease or stay the same over the next year.What technique is most appropriate for achieving this goal?
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Information about variables, such as variable definitions as well as how and when data were collected, is collectively called ________________________ .
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