The BinarySearch Method of the Collections Class Returns a Value

question 22

Multiple Choice

The binarySearch method of the Collections class returns a value in the form of -k - 1 when the target item you are searching for was not found in the array. What does k represent?

• A) It is the position of an existing item, and indicates that your target item should come after this existing item.
• B) It is the position of an existing item, and indicates that your target item should come before this existing item.
• C) It represents the number of times the array was accessed by the binarySearch method, and can be used for analyzing performance.
• D) Nothing - it is an arbitrary value.

Understand the concept of degrees of freedom in statistical analysis.

Differentiate between direct, indirect (negative), and nondirectional correlations.

Recognize that statistical correlation does not imply causation.

Understand the use of t-test for the correlation coefficient to evaluate research hypotheses.

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Definitions:

Qualitative Characteristic

Aspects that help evaluate or analyze non-quantifiable properties of financial information, such as relevance and reliability.

Investment Analysis

The process of evaluating investment opportunities to determine their potential financial returns.

Net Present Value

A valuation method that calculates the present worth of cash flows by discounting future cash flows to their present value.

Average Rate

In finance, it typically refers to the mean rate of return or interest rate over a specific period. It can also mean the average exchange rate over a period for currency conversion.