A Revenue Department Is Under Orders to Reduce the Time $H _ { 0 } : \mu = 6.3$

question 32

Multiple Choice

A revenue department is under orders to reduce the time small business owners spend filling out pension form ABC-5500. Previously the average time spent on the form was 6.3 hours. In order to
Test whether the time to fill out the form has been reduced, a sample of 48 small business owners
Who annually complete the form was randomly chosen, and their completion times recorded. The
Mean completion time for ABC-5500 form was 5.7 hours with a standard deviation of 1.8 hours. In
Order to test that the time to complete the form has been reduced, state the appropriate null and
Alternative hypotheses.

• A) \(H _ { 0 } : \mu = 6.3\)
• \(H _ { \mathrm { a } } : \mu \neq 6.3\)
• B) \(\mathrm { H } _ { 0 } : \mu = 6.3\)
• \(H _ { \mathrm { a } } : \mu < 6.3\)
• C) \(H _ { 0 } : \mu = 6.3\)
• \(H _ { \mathrm { a } } : \mu > 6.3\)
• D) \(H _ { 0 } : \mu > 6.3\)
• \(H _ { \mathrm { a } } : \mu < 6.3\)

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Definitions:

Traits

Enduring characteristics or qualities of an individual’s personality that are consistent across different situations and over time.

Thematic Apperception Test

A projective psychological test involving a series of ambiguous images presented to an individual, who is then asked to tell a story about each image.

Source Trait

Fundamental personality traits identified through factor analysis that underpin and contribute to surface behaviors and attitudes.

Rorschach

A psychological test in which subjects' perceptions of inkblots are analyzed to examine personality characteristics and emotional functioning.