Which of the Following Types of Distributions Use Z-Values to Establish

question 1

Multiple Choice

Which of the following types of distributions use z-values to establish confidence intervals?

• A) Gaussian q-distribution
• B) t-distribution
• C) log-normal distribution
• D) standard normal distribution

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Definitions:

Normal Distribution

A bell-shaped distribution that is symmetric about the mean, where data near the mean are more frequent in occurrence.

Degrees of Freedom

The number of independent values or quantities that can vary in the analysis without breaking any constraints.

T Value

A calculated value from a t-test used to compare the differences between means in relation to the variation in sample data.

Sample Size

The number of observations or data points collected in a study or used in a statistical analysis.