The Table Below Shows Hypothetical Data for Volumes of E-Books

question 104

Multiple Choice

The table below shows hypothetical data for volumes of e-books and hardcover books sold over a 3-year period in a particular city. TABLE 2-3 Refer to Table 2-3.Suppose we choose Year 1 as the base year and construct a series of index numbers with which to analyze sales data.The index numbers for volumes of hardcover books sold (starting with Year 1) is

• A)431; 819; 100.
• B)43.1; 81.9; 100.
• C)100; 81.9; 43.1.
• D)100; 0.819; 0.431.
• E)0.431; 0.819; 100.

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Definitions:

Short-Term Memory

The part of the memory system where information is stored for a short duration, typically for a few seconds to a minute.

Sperling's Partial Report Technique

A cognitive psychology experiment that demonstrated the existence and characteristics of the visual sensory memory by asking participants to recall a subset of characters from a briefly displayed array.

Digit-Span

A common memory test that measures the capacity of one's short-term memory to recall a sequence of numbers.

Short-Term Memory

A component of memory where small amounts of information can be stored for a short period of time.