Suppose Apple Would Like to Test the Hypothesis That the Standard

question 22

Multiple Choice

Suppose Apple would like to test the hypothesis that the standard deviation for the web-browsing battery life of the iPad equals 3.0 hours.The following data represents the battery life,in hours,experienced by a random sample of six users: 10 14 12 16 10 6.
Which of the following would be the correct hypothesis test?

• A) H₀:σ² ≤ 3.0,H_A:σ² > 3.0
• B) H₀:σ = 3.0,H_A:σ ≠ 3.0
• C) H₀:σ² ≥ 9.0,H_A:σ² < 9.0
• D) H₀:σ² = 9.0,H_A:σ² ≠ 9.0

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Definitions:

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Patterns or behaviors related to how people choose, consume, and process food, significantly impacting nutritional health and well-being.

Hypertension

A medical condition in which the blood pressure in the arteries is persistently elevated, often leading to serious health issues if untreated.

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Legal documents that give instructions about healthcare preferences in case of future incapacity.

Environmental Allergies

Allergic reactions caused by triggers found in the surrounding environment, such as pollen, dust, or mold.