Computing the Necessary Sample Size for an Interval Estimate of a Population

question 92

Multiple Choice

Computing the necessary sample size for an interval estimate of a population proportion requires a planning value for p-bar. In case of any uncertainty about an appropriate planning value, we know the value that will provide the largest sample size recommendation is

• A).10
• B).50
• C).90
• D)1.0

Calculate basic statistical measures from graphical representations.

Evaluate the appropriateness of graphical representations for given data sets.

Analyze distribution features such as symmetry, modality, and outliers.

Demonstrate an understanding of the principles behind constructing pie charts and bar graphs.

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Definitions:

Moderately Retarded

A term previously used to describe individuals with moderate intellectual disability characterized by significantly below-average intellectual functioning and adaptive behaviors.

Profoundly Retarded

A term referring to individuals with a severe level of intellectual disability, often characterized by minimal capacity for sensory-motor function.

Academic Skills

encompass the abilities and competencies related to learning and academic performance, including reading, writing, arithmetic, and study skills.

IQ Score

A numerical representation of an individual's cognitive ability relative to their age group, derived from standardized intelligence testing.