Calculate the 95% Confidence Interval for a Sample of N

question 97

Multiple Choice

Calculate the 95% confidence interval for a sample of N = 29 with a mean = 52.49 and standard deviation (s) = 11.58.

• A) 95% CI = 52.49 ± 4.40
• B) 95% CI = 52.49 ± 3.66
• C) 95% CI = 52.49 ± 5.94
• D) 95% CI = 52.49 ± 4.20

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Definitions:

Hypothetical Proposition

A compound proposition that uses the connective “if . . . then.”

Disjunctive Proposition

A statement in logic that presents two or more alternatives, where the truth of at least one alternative makes the proposition true.

Contrapositive

A logical statement derived by negating and swapping the hypothesis and conclusion of the original conditional statement. If the original statement is "If P, then Q," the contrapositive is "If not Q, then not P."

Hypothetical Proposition

A proposition or statement that is based on a hypothesis or an assumption rather than on known facts.