Table 24-11

question 111

Multiple Choice

Table 24-11. Megan's salary for three consecutive years, along with other values, is presented in the table below.
-Refer to Table 24-11. Suppose the consumer price index for 2013 is not necessarily 235. Then Megan's 2013 salary represents more purchasing power than her 2011 salary as long as the consumer price index for 2013 is

• A)greater than 264.25.
• B)less than 264.25.
• C)greater than 258.71.
• D)less than 258.71.

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Definitions:

Two-tailed Test

A statistical test that allows for the exploration of relationships in both directions, enabling the detection of significant differences regardless of the direction.

Significant

Pertaining to results in statistical analysis, significant means the findings are unlikely to have occurred by chance and indicate a real effect or relationship.

Z-statistic

A statistical measure that quantifies the difference between a sample statistic and its population parameter, measured in units of the standard deviation.

Z-test

A statistical test used to determine whether there is a significant difference between the mean of a sample and the mean of a population, or between the means of two populations.