Which of the Following Statements Is Logically Valid

question 97

Multiple Choice

Which of the following statements is logically valid?

• A)If the rate of inflation is high,the nominal rate of interest must be low.
• B)If the rate of inflation is less than the nominal interest rate,the real interest rate is positive.
• C)If the real interest rate is less than the nominal interest rate,inflation must be zero.
• D)If the real interest rate is less than the nominal interest rate,inflation must be negative.
• E)If the nominal interest rate is high,the real interest rate must be high.

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Definitions:

Time

A continuous sequence of events, perceived by its passage and measurable in hours, minutes, and seconds.

Experimental Manipulation

The process of intentionally changing a variable in an experiment to study its effects on other variables.

Interrupted Time Series Design

A design in which the effectiveness of a treatment is determined by examining a series of measurements made over an extended time period both before and after the treatment is introduced. The treatment is not introduced at a random point in time.

Control Series

A control series is a sequence of observations or measurements used in experiments or statistical analysis as a standard of comparison to detect changes or effects.