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For the table shown below, the random variable x is the number of males with tinnitus
(ringing ears)among four randomly selected males, based on a medical journal. Find the
mean and standard deviation for the random variable x. Use the range rule of thumb to
identify the range of values that are not significant for the number of males with tinnitus
among four randomly selected males. Is getting three males with tinnitus among four
randomly selected males a significantly high number?
Piaget
A Swiss psychologist known for his theory of cognitive development, suggesting that children move through a series of stages as they grow and learn.
Succeed
To achieve a desired goal or endeavor, often through effort or skill.
Equilibration
The creation of an equilibrium, or balance, between assimilation and accommodation as a way of incorporating new events or knowledge.
Cognitive Dissonance
A psychological discomfort experienced when holding two or more conflicting cognitions, beliefs, or values simultaneously.
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