An Area Chart

question 75

Multiple Choice

An area chart

• A) shows the high, low, and close prices for individual stocks over time.
• B) trends using two dimensions on a continuous curve.
• C) emphasizes magnitude of changes over time by filling in the space between lines with a color.
• D) shows a relationship between two variables.

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Definitions:

Central Limit Theorem

A statistical theory that states that, given a sufficiently large sample size, the distribution of the sample mean will be approximately normally distributed, regardless of the distribution of the parent population.

Sample Mean

The sample mean is the average value of a sample set, calculated by adding together all of the observations and dividing by the number of observations.

Skewed to the Right

Describes a distribution of data that has a tail extending to the right, indicating that the majority of data points are on the left.

Sample Mean

The arithmetic average of a set of sample observations, used as an estimate of the population mean.