The Average Length of Crocodiles in a Swamp Is 12

question 50

Multiple Choice

The average length of crocodiles in a swamp is 12.5 feet. If the lengths are normally distributed with a standard deviation of 2.1, find the probability that a crocodile is more than 12 feet long.

• A) 0.51
• B) 0.53
• C) 0.57
• D) 0.59

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Definitions:

Reliability

The consistency of a measurement, test, or research findings across different occasions and contexts.

Validity

The extent to which a test, measurement, or research study accurately reflects or assesses the concept it is intended to measure.

Data Collection

The process of systematically gathering and measuring information on variables of interest, in an established systematic fashion that enables one to answer stated research questions, test hypotheses, and evaluate outcomes.

Communication Research

The scholarly study of communication processes and dynamics, utilizing various methodologies to understand and interpret communication behavior and effects.