You Were Told That the Mean Score on a Statistics

question 166

Short Answer

You were told that the mean score on a statistics exam is 75 with the scores normally distributed.In addition,you know the probability of a score between 55 and 60 is 4.41% and that the probability of a score greater than 90 is 6.68%.What is the probability of a score lower than 55?

Identify factors that contribute to or reduce the likelihood of aggressive behavior.

Describe the bystander effect and factors influencing helping behavior.

Explain the role of biological, psychological, and social factors in aggression.

Understand the social learning theory of aggression.

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Definitions:

Independent Variable

A variable in an experiment that is manipulated to observe its effect on the dependent variable.

Dependent Variable

A variable in an experimental setup that is observed and expected to change in response to manipulations in the independent variable.

Random Error

Variability in data that arises from unpredictable fluctuations and cannot be attributed to any specific cause, affecting the precision of measurements.

Inferential Statistics

Statistics designed to determine whether results based on sample data are generalizable to a population.