Suppose a Population Has a Mean of 400 and a Standard

question 82

Multiple Choice

Suppose a population has a mean of 400 and a standard deviation of 24.If a random sample of size 144 is drawn from the population, the probability of drawing a sample with a mean between 393.5 and 396.5 is ___.

• A)0.0802
• B)0.0012
• C)0.0407
• D)0.0395
• E)1.0000

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Definitions:

Residuals

Residuals are the differences between observed values and the expected values predicted by a model, representing unexplained variance.

Subtract

The mathematical process of deducting one number from another.

Correlated

Implies a statistical relationship where two variables move together in some predictable pattern.

Error Terms

Components of a statistical model that represent the difference between observed and predicted values.