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TABLE 12-6
According to an article in Marketing News, fewer checks are being written at the grocery store checkout than in the past. To determine whether there is a difference in the proportion of shoppers who pay by check among three consecutive years at a 0.05 level of significance, the results of a survey of 500 shoppers in three consecutive years are obtained and presented below.
-Referring to Table 12-6, what is the form of the null hypothesis?
Mania
A mental state characterized by extremely elevated mood, energy, and unusual thought patterns, often seen in bipolar disorder.
Negative Mood
A general, enduring state of mind characterized by negative emotions such as sadness, anxiety, or irritability.
Critical Thinking
Thinking that does not blindly accept arguments and conclusions. Rather, it examines assumptions, appraises the source, discerns hidden biases, evaluates evidence, and assesses conclusions.
DSM-5
The fifth edition of the Diagnostic and Statistical Manual of Mental Disorders, which is a standardized classification of mental disorders used by mental health professionals in the U.S.
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