The Table Below Shows Hypothetical Per-Minute Cell Phone Charges for "Pay-And-Talk

question 65

Multiple Choice

The table below shows hypothetical per-minute cell phone charges for "pay-and-talk" service over several years.
TABLE 2-2
-Refer to Table 2-2.Assume that 2008 is used as the base year,with the index number = 100.The value of the index number in 2010 is

• A)100.
• B)0.72.
• C)72.73.
• D)1.375.
• E)137.5.

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Definitions:

Correlation Coefficient

The Correlation Coefficient is a numerical measure that quantifies the strength and direction of a linear relationship between two variables on a scale from -1 to 1.

Standard Deviation

A measure of the dispersion or variation in a set of values, used to quantify the degree of variation or diversity.

Equilibrium

The state in which market supply and demand balance each other, resulting in stable prices.

Company-Specific Risk

Risk that affects a particular company due to factors such as management decisions, product demand, or regulatory changes.