2012 2013 -In 2012, Consumers in Dexter Consumed Only Books and Pens

question 147

Multiple Choice

2012 2013

-In 2012, consumers in Dexter consumed only books and pens. The prices and quantities for 2012 and 2013 are listed in the table above. The reference base period for Dexter's CPI is 2012. What is the cost of the CPI basket in 2012?

• A) $430
• B) $335
• C) $320
• D) $540

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Definitions:

Standard Error

A measure that describes the distribution of sample means around the population mean, indicating the precision of the sample mean as an estimate of the population mean.

Plus Four Estimate

A method used in statistics to adjust a sample size by adding four observations: two at the high end and two at the low end of the dataset.

Sampling Variability

The natural variation in statistics (such as the mean) that occurs from one sample to another.

SRS

Simple random sampling, a basic probabilistic method ensuring each member of a population has an equal chance of being included in the sample.