An Analyst Plans to Test Whether the Standard Deviation for the Time

question 57

Multiple Choice

An analyst plans to test whether the standard deviation for the time it takes bank tellers to provide service to customers exceeds the standard of 1.5 minutes.The correct null and alternative hypotheses for this test are:

• A)H₀ : σ > 1.5
• H_A : σ ≥ 1.5
• B)H₀ : σ ≤ 1.5
• H_A : σ > 1.5
• C)H₀ : σ² ≤ 2.25
• H_A : σ² > 2.25
• D)H₀ : σ² > 2.25

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Definitions:

Sandwich Generation

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A later stage in life where individuals seek to understand and accept their lives and achievements, often associated with late adulthood.

Second Honeymoon Stage

A phase in a relationship or marriage characterized by a renewed sense of love, interest, and romantic connection, often after overcoming challenges.

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A phase in human development characterized by an emphasis on personal achievements and independence, often contrasted with collectivist values.