YouTube Would Like to Test the Hypothesis That the Standard

question 17

Multiple Choice

YouTube would like to test the hypothesis that the standard deviation for the length of an online video watched by a user is more than 2 minutes. The correct hypothesis statement would be .

• A)H₀: a² c 4.0; H₁: a² > 4.0
• B)H₀: µ c 4.0; H₁: µ < 4.0
• C)H₀: a² = 2.0; H₁: a² × 2.0
• D)H₀: a²= 4.0; H₁: a² × 4.0

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Definitions:

Anterior Lobe

The front part of an organ or gland that often has distinct physiological functions.

Left Lung

One of the two lungs in the human body, smaller than the right lung and divided into two lobes.

Right Lung

The lung located on the right side of the thorax, larger and shorter than the left, divided into three lobes (upper, middle, and lower).

Feline Lungs

The respiratory organs in cats, consisting of two lobes on the left and three on the right, responsible for gas exchange.