Refer to the Following Breakdown of Responses to a Survey

question 76

Multiple Choice

Refer to the following breakdown of responses to a survey of "How confident are you that you saved enough to retire?" What is the class interval for the preceding frequency table?

• A)10
• B)20
• C)40
• D)None apply

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Definitions:

Market Index

A statistical measure that shows changes in a securities market, representing a segment of the stock market or of the economy.

DAX

The DAX is a major stock market index tracking the performance of 40 major companies listed on the Frankfurt Stock Exchange in Germany.

Commercial Banks

Financial institutions that accept deposits, offer various loans, and provide other financial services to businesses and individuals.

Federal Reserve

The central banking system of the United States responsible for setting monetary policy, including the manipulation of interest rates to control inflation and stabilize the currency.