A Test Was Made Of $H _ { 0 } : \mu _ { 1 } = \mu _ { 2 } \text { versus } H _ { 1 } : \mu _ { 1 } < \mu _ { 2 }$

question 21

Multiple Choice

A test was made of $H _ { 0 } : \mu _ { 1 } = \mu _ { 2 } \text { versus } H _ { 1 } : \mu _ { 1 } < \mu _ { 2 }$ The sample means $\bar { x } _ { 1 } = 7$ and $\bar { x } _ { 2 } = 13$ the sample standard deviations were $s _ { 1 } = 7 \text { and } s _ { 2 } = 5$ and the sample sizes
were $n _ { 1 } = 18 \text { and } n _ { 2 } = 16$
Compute the value of the test statistic.

• A) -0.697
• B) -4.067
• C) -7.164
• D) -2.899

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Definitions:

Benzene

An aromatic hydrocarbon with a ring of six carbon atoms bonded together in a planar hexagonal ring with alternating single and double bonds.

Bromination

A chemical reaction involving the addition or substitution of bromine to an organic compound, often used in synthesis.

Mononitration

The chemical process of introducing one nitro group (-NO2) to a molecule, commonly used in the synthesis of explosives and various organic compounds.

Major Organic Product

The main product produced in the greatest amount when organic compounds undergo a chemical reaction.