I for a One-Tailed Test Using the 0

question 16

Multiple Choice

i. For a one-tailed test using the 0.05 level of significance, the critical value for the z test is 1.645, but for t it is 1.96. ii. For a one-tailed test using the 0.01 level of significance, the critical value for the z-test is 1.645, but for t it is 1.96.
iii. For a two-tailed test using the 0.05 level of significance the critical value for the z-test is 1.96 and it is the same for the t-test.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) is a correct statement but not (ii) or (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

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Definitions:

Safety and Security

Refers to measures, practices, and policies aimed at ensuring the protection of individuals, organizations, or nations from harm or danger.

Cognitive Dissonance

is the mental discomfort (psychological stress) experienced by a person who simultaneously holds two or more contradictory beliefs, ideas, or values.

Opinion Leader

An individual whose beliefs or attitudes are respected and can influence the opinions and behaviors of a wider audience.

Dissociative Reference Group

A group to which an individual does not want to belong or be associated with, often influencing consumer behavior by avoiding products or brands favored by the group.