The Following Table Shows the Number of Individuals in a Sample

question 21

Multiple Choice

The following table shows the number of individuals in a sample of 450 who indicated they support the new tax proposal. ​ We are interested in determining whether or not the opinions of the individuals of the three groups are uniformly distributed.The expected frequency for each group is

• A) .333.
• B) .50.
• C) 150.
• D) 135.

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Definitions:

Distributed Practice

Spacing the study of material to be remembered by including breaks between study periods.

Cramming

An intensive, short-term study technique characterized by long hours of continuous study just before an exam.

Spacing Studying

The practice of distributing learning sessions or practice over time, rather than condensing them into short blocks, to improve long-term memory retention.

Hindsight Bias

The tendency to believe, after an event has occurred, that one would have predicted or expected the event, often referred to as the "I-knew-it-all-along" phenomenon.