We Have Calculated a 95% Confidence Interval and Would Like

question 66

Multiple Choice

We have calculated a 95% confidence interval and would like our next confidence interval to have a smaller margin of error without losing any confidence. In order to do this, we can

• A) change the z* value to a smaller number.
• B) take a larger sample.
• C) take a smaller sample.
• D) use z* = 2.576.
• E) use z* = 1.645 and decrease size of sample.

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Definitions:

Non-Verbal Communication

The process of conveying information or expressing feelings without the use of spoken words, through gestures, facial expressions, and body language.

Gaze

Looking at someone’s eyes.

Emblem

A symbolic object or a sign that represents a group, organization, or country, often conveying specific meanings recognized by members of the culture or group.

Display Rule

Socially or culturally prescribed norms that dictate how emotions should be expressed or concealed in various contexts.