Exam 25: Introduction to Data Mining
Exam 2: Data20 Questions
Exam 3: Surveys and Sampling26 Questions
Exam 4: Displaying and Describing Categorical Data21 Questions
Exam 5: Displaying and Describing Quantitative Data24 Questions
Exam 6: Correlation and Linear Regression36 Questions
Exam 7: Randomness and Probability28 Questions
Exam 8: Random Variables and Probability Models24 Questions
Exam 9: The Normal Distribution21 Questions
Exam 10: Confidence Intervals for Means20 Questions
Exam 11: Confidence Intervals for Proportions28 Questions
Exam 12: Confidence Intervals for Means21 Questions
Exam 13: Testing Hypotheses18 Questions
Exam 14: Comparing Two Groups19 Questions
Exam 15: Inference for Counts: Chi-Square20 Questions
Exam 16: Inference for Regression22 Questions
Exam 17: Understanding Residuals22 Questions
Exam 18: Multiple Regression15 Questions
Exam 19: Data13 Questions
Exam 22: Business Statistics20 Questions
Exam 24: Decision Making and Risk25 Questions
Exam 25: Introduction to Data Mining11 Questions
Exam 26: Exploring and Collecting Data43 Questions
Exam 27: Modeling With Probability20 Questions
Exam 28: Inference for Decision Making25 Questions
Exam 29: Models for Decision Making38 Questions
Exam 30: Selected Topics in Decision Making22 Questions
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Relate data mining algorithms to goals.
-Scanner data gathered from various supermarket chains were merged with data from
The travel industry (e.g., airlines, hotels, etc) into one data warehouse. Suppose the goal of
Data mining using this 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?
Free
(Multiple Choice)
4.8/5
(34)
Correct Answer:
C
Relate data mining algorithms to goals.
-Data gathered from various telecommunication companies (e.g. cable, phone,
Internet service providers) and utility companies (electric, fuel, etc.) were merged into
One data warehouse. Suppose the goal of data mining using this data warehouse was to
Predict whether a household's telecommunication needs will increase, decrease or stay
The same over the next year. What technique might be most appropriate for achieving
This goal?
Free
(Multiple Choice)
4.8/5
(34)
Correct Answer:
C
Recognize classification and regression problems in data mining.
-Data gathered from home improvement retailers (e.g. Lowe's, Home Depot, etc.) and
Publishing companies (magazines, books, etc.) were merged into one data warehouse.
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?
Free
(Multiple Choice)
4.8/5
(35)
Correct Answer:
A
Recognize classification and regression problems in data mining.
-Data gathered from home improvement retailers (e.g. Lowe's, Home Depot, etc.) and
Publishing companies (magazines, books, etc.) were merged into one data warehouse.
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?
(Multiple Choice)
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(40)
Identify data mining algorithms.
-Popular data mining tools inspired by models that tried to mimic the function of the
Brain are known as
(Multiple Choice)
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Understand the data mining process.
-Data not used in building the model but used to evaluate the performance of the
Model is known as
(Multiple Choice)
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Recognize classification and regression problems in data mining.
-Data gathered from various automobile dealers (Toyota, BMW, etc.) and pro-
Environment organizations (e.g., Sierra Club) were merged into one data warehouse.
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?
(Multiple Choice)
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Understand the data mining process.
-Data used in a supervised problem to build the predictive model is known as
(Multiple Choice)
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Understand the data mining process.
-Information about variables, such as variable definitions as well as how and when data
Were collected, is collectively called
(Multiple Choice)
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(29)
Recognize classification and regression problems in data mining.
-Data gathered from various automobile dealers (Toyota, BMW, etc.) and pro-
Environment organizations (e.g., Sierra Club) were merged into one data warehouse.
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?
(Multiple Choice)
4.9/5
(42)
Understand the data mining process.
-Which is not a phase of the data mining process?
(Multiple Choice)
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(39)
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