Consider the Following Code Snippet

question 42

Multiple Choice

Consider the following code snippet:
String[] data = { "abc", "def", "ghi", "jkl" };
Using Java 6 or later, which statement grows the data array to twice its size?

• A)data = Arrays.copyOf(data, 2 * data.length);
• B)data = Arrays.copyOf(data, 2);
• C)data = Arrays.copyOf(data, 2 * data);
• D)data = Arrays.copyOf(data, 2 * data.size());

Understand the role of early educational interventions in preventing negative outcomes for at-risk populations.

Grasp the importance of mental representation development in early childhood and its impact on learning and cognitive skills.

Assess the impact of media exposure, including television viewing, on children’s physical and cognitive development.

Understand the concept of marginal analysis and how it applies to decision-making processes.

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Definitions:

Normal Distribution

A bell-shaped distribution that is symmetric about the mean, describing how values of a variable are spread or dispersed.

Mean

The arithmetic average of a set of numbers, calculated by adding them together and dividing by the count of numbers.

Standard Deviation

It quantifies the spread of a dataset, illustrating how much individual data points diverge from the mean value.

Z-score

A measure of how many standard deviations an element is from the mean; used in statistics for standardizing scores.