Which of the Following Will Make a Confidence Interval Narrower

question 93

Multiple Choice

Which of the following will make a confidence interval narrower?
I. increase the confidence level.
II. take a larger sample. III. take a smaller sample.

• A) I only
• B) II only
• C) III only
• D) I and III
• E) I and II

Determine the appropriate method for building confidence intervals based on sample size and distribution.

Understand the relationship between confidence level and interval width.

Calculate the number of successes based on given proportions.

Understand and apply the plus four method for estimating proportion and standard errors.

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Definitions:

Implicit and Explicit Attitudes

Implicit attitudes are subconscious beliefs or feelings, while explicit attitudes are consciously held beliefs or opinions.

Evaluation of Information

The process of critically analyzing and assessing data or facts to determine their validity, relevance, and reliability.

Automatic System

A mental process that operates without conscious effort, often responsible for habits and intuitive reactions.

Conscious System

The aspect of the mind that involves awareness of oneself and one's surroundings.