Which Set of Statements Totals the Values in Two-Dimensional Int

question 12

Multiple Choice

Which set of statements totals the values in two-dimensional int array items?

• A)
• Int total = 0;
• For (int subItems : items)
• For (int item : subItems)
• Total += item;
• B)
• Int total = 0;
• For (int item: int[] subItems : items)
• Total += item;
• C)
• Int total = 0;
• For (int[] subItems : items)
• For (int item : items)
• Total += item;
• D)
• Int total = 0;
• For (int[] subItems : items)
• For (int item : subItems)
• Total += item;

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Definitions:

Matched Pairs

A study design where subjects are paired based on certain criteria to compare two treatments or conditions, with each subject in the pair receiving a different treatment.

Interval Data

A type of data with ordered values where the difference between any two values is meaningful, but it lacks a true zero point.

Two Independent Sample T-test

A statistical method used to compare the means of two independent samples to determine if there is a significant difference between them.

Wilcoxon Signed Rank

A non-parametric statistical test used to compare two related samples, matched samples, or repeated measurements on a single sample to assess whether their population mean ranks differ.