Identify the Letter of the Choice That Best Matches the Phrase

question 132

Multiple Choice

Identify the letter of the choice that best matches the phrase or definition.
-Line chart type

• A)Compares values across categories in a vertical orientation
• B)Compares the contribution each value in a multiple numeric data series makes to the whole, or 100%
• C)Compares values across categories in a horizontal orientation
• D)Displays trends over time or by category

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Definitions:

Chi-squared Variables

Random variables that follow a chi-squared distribution, often used in tests of statistical significance for categorical data.

Normal Populations

Refers to populations that follow a bell-shaped distribution curve, indicating a normal distribution of data.

Variance

A measure of variability that indicates the average squared deviation of each number from the mean of a data set, showing how spread out the data points are.

Significance Level

The threshold below which the p-value of test results must fall for the results to be considered statistically significant, typically denoted by alpha (α).