An Example of the Quality Change Bias, and Not a New

question 228

Multiple Choice

An example of the quality change bias, and not a new goods bias, in the calculation of the CPI is a price increase in

• A) Coke versus Pepsi.
• B) DVDs purchased on Craigslist, a online classified website.
• C) a 2011 GPS unit versus a 2008 GPS unit.
• D) etexts versus used books .
• E) pants purchased by a first-time shopper at Aeropostale.

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Definitions:

Nonparametric Statistics

Nonparametric statistics refer to statistical methods used when data do not require a normal distribution, often utilized for analyzing ranked or ordinal data.

Qualitative Analysis

Examination of non-numerical data, such as text, images, or videos, to understand concepts, opinions, or experiences.

Null Hypothesis

A statement in statistical hypothesis testing that assumes no effect or no difference, used as a starting point for testing statistical significance.

Type I Error

The mistaken disapproval of a valid null hypothesis, commonly referred to as a "false positive."