在大七度音程中，由基本音级构成的大七度音程只有两个。
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Which of the following is NOT a stage of data modeling?
A. Conceptual model
B. Logical model
C. Speculative model
D. Physical model
Which of the following is describes data manipulation?
Analysis of the information needs required to support business processes
B. Processing data to support decision making
C. Reorganising or transforming data to make it easier to read or more meaningful
D. Communicating data to decision makers
Which type of data analysis involves finding new relationships or features in a data set?
A. Confirmatory data analysis
B. Predictive data analysis
C. Exploratory data analysis
D. Text data analysis
Which type of data analysis involves proving or disproving an hypothesis?
A. Text data analysis
B. Exploratory data analysis
Confirmatory data analysis
D. Predictive data analysis
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