Which of the Following Is a Difference Between the T-Distribution

question 11

Multiple Choice

Which of the following is a difference between the t-distribution and the standard normal distribution?

• A) The t-distribution cannot be calculated without a known standard deviation, while the standard normal distributions can be.
• B) The standard normal distribution's confidence levels are wider than those of the t-distribution.
• C) The t-distribution has a larger variance than the standard normal distribution.
• D) The standard normal distribution is dependent on parameters like degrees of freedom, while t- distribution is not.

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Definitions:

X-axis

The horizontal axis in a graph or chart, on which values of one variable are plotted against the values of another (typically independent variable).

Slope

Slope is a measure of the steepness or incline of a line, indicating the rate at which y-values change with respect to x-values in a graph.

Time-series Graph

is a visual representation of data points ordered in time, typically shown on a graph with the x-axis representing time and the y-axis representing the variable of interest.

Variable

In economics, it refers to any quantity that can change or vary within a model or equation, impacting outcomes.