What Statement About Prediction Intervals and Confidence Intervals Is True

question 18

Multiple Choice

What statement about prediction intervals and confidence intervals is true. If none of the statements is true, select (d) .

• A)Prediction intervals are always smaller than confidence intervals because confidence intervals are predicting the mean of the population and prediction intervals are predicting the value of only one
• Item in the population.
• B)Prediction intervals are always smaller than confidence intervals because prediction intervals are predicting the mean of all the items in the population and confidence intervals are predicting the
• Value of only one item in the population.
• C)Sometimes prediction intervals are smaller than confidence intervals and sometimes prediction intervals are larger than confidence intervals.
• D)None of the statements is true.

Grasp the concept of risk assessment and its purpose in predicting harmful or violent behavior.

Acknowledge the evolution and historical milestones of the DSM.

Understand the structured and unstructured interview formats and their application in clinical assessment.

Recognize the factors contributing to suicide and its prevalence.

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Definitions:

Sample Mean

The average value of a sample set of numbers, calculated by summing all observations and dividing by the number of observations.

Population Average

The mean of a particular characteristic (e.g., age, income) of all the individuals or elements in a defined population.

Standard Error

A statistical measure that quantifies the variability or dispersion of a sampling distribution, often used to estimate the accuracy of a sample mean compared to the population mean.

Population

The entire group of individuals or items that share one or more characteristics, from which samples may be drawn for statistical analysis.