Using An $\alpha$ = 004 a Confidence Interval for a Population Proportion Is Determined

question 5

Multiple Choice

Using an $\alpha$ = 0.04 a confidence interval for a population proportion is determined to be 0.65 to 0.75. If the level of significance is decreased, the interval for the population proportion

• A)becomes narrower
• B)becomes wider
• C)does not change
• D)remains the same

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Definitions:

Standardization

Standardization refers to the process of implementing and developing technical standards based on the consensus of different parties that include firms, users, interest groups, standards organizations, and governments.

Bell Curve

The bell curve, or normal distribution, is a graph that shows data that falls in a symmetrical pattern with most results clustering around the mean and fewer observations falling evenly on either side, creating a bell-shaped pattern.

Intelligence Test

a method for assessing an individual’s mental aptitudes and comparing them with those ofothers, using numerical scores.

Standardization

The process of developing uniform procedures for administering and scoring a test to ensure consistency and comparability of results.