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Questions in computers-and-technology

[Answered] Question 2: What does a "Type 1 error" refer to in the context of the confusion matrix? A. Predicting "Yes" when the actual value is "No." B. Predicting "No" when the actual value is "Yes." C. A false positive prediction. D. A false negative prediction.

[Answered] How do you adjust the height of a row in Excel? A. Right-click the row number and select Row Height B. Use the Insert tab C. Drag the boundary below the row number D. Use the Format option in the Home tab

[Answered] Which SQL function calculates the average of a numeric column? MIN() SUM() MAX() AVG()

[Answered] With the implementation of an EHR, it is helpful if employees can be cross-trained so that they are able to perform more than one duty within the EHR.

[Answered] Which field in a database acts as a unique identifier for records? A. Unique Key B. Foreign Key C. Index D. Primary Key

[Answered] Bryan receives an e-mail from a group posing as police officers requesting personal information. This is an example of A. social engineering. B. phishing. C. counterfeiting. D. forgery.

[Answered] What is the function of the "SUBTOTAL" formula in Excel? A. To calculate the average value B. To calculate subtotals within a range C. To find the total number of cells D. To count the number of cells

[Answered] In database relationships, what is a "one-to-many" relationship? A. Many records link to one record B. Many records link to many records C. One record links to many records D. One record links to one record

[Answered] How does test error behave as model flexibility increases? A. It decreases continuously B. It stays constant C. It first decreases, then increases D. It increases continuously

[Answered] How do you format numbers as currency in Excel? A. Use the Data tab B. Use the Currency option in the Home tab C. Use the Format Cells option D. Right-click and select Format Cells