Which of the Following Is True Regarding the Variance of a Probability

question 55

Multiple Choice

Which of the following is true regarding the variance of a probability distribution?

• A)A large variance implies a wide distribution with steeply sloping sides and a high peak.
• B)A small variance implies a wide distribution with gently sloping sides and a high peak.
• C)A large variance implies a wide distribution with gently sloping sides and a low peak.
• D)A small variance implies a narrow distribution with steeply sloping sides and a low peak.

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Definitions:

Psychology

The scientific study of the human mind and its functions, especially those affecting behavior in a given context.

Useful Theory

A framework or system of ideas that provides significant explanatory power or practical guidance in a certain field.

Ex Post Facto Study

A research design where investigators retrospectively examine the effect of a variable on a group, without the ability to manipulate the variable.

Risk Factor Approach

A strategy in health and disease prevention that identifies and targets risk factors to reduce the likelihood of adverse health outcomes.