What Is a Nonkey Column

question 33

Multiple Choice

What is a nonkey column?

• A) A column that is not part of the primary key.
• B) A column that has a null value.
• C) A column that is part of a repeating group.
• D) A column that contains a numeric value.

Understand the implications of removing or altering data points within a data set.

Understand the concept of variance and how to calculate it from standard deviation.

Interpret boxplots and extract information regarding data distribution.

Identify characteristics and properties of the standard deviation as a measure of spread.

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Definitions:

Dividend Payout Ratio

A financial ratio that shows the percentage of a company's net income that is paid out to its shareholders as dividends.

Year 2

A term that refers to the second year in a specific period, often used in planning, reporting, or comparison contexts.

Book Value Per Share

A financial measure used to determine the per share value of a company based on its equity available to shareholders.

Year 2

Refers to the second year of a specified time frame or period, often used in financial and operational planning or analysis.