Consider the Following to Answer the Question(s) Below

question 10

Multiple Choice

Consider the following to answer the question(s) below:
A local cell phone provider wants to determine if the use of text messaging is independent of age. The following data has been collected from a random sample of customers.

-At α = 0.05,

• A) we reject the null hypothesis. There is no evidence that use of text messaging is independent of age. We and can conclude that there is an association between age and the use of text messaging.
• B) we fail to reject the null hypothesis.
• C) we fail to reject the null alternative hypothesis and can conclude that use of text messaging is independent of age.
• D) as the P-value < .0001 is very low, We reject the null hypothesis.there is no association between age and the use of text messaging.
• E) since χ2 = 92.2095 > χcr2 = 5.991, we support the null hypothesis and can conclude that age and use of text messaging are not related.

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Definitions:

Atactic

Refers to polymers with a random configuration of the substituent groups along the polymer chain, affecting its properties.

Syndiotactic Stereochemistry

A type of polymer stereochemistry where the substituents on the polymer chain alternate sides in a regular fashion.

Poly(vinyl Chloride)

A widely used synthetic plastic polymer, known by its abbreviation PVC, characterized by its strength, durability, and versatility in applications from piping to clothing.

Chain-growth Polymerization

A polymerization mechanism where monomers add to a reactive site on a growing polymer chain one at a time, leading to long polymer chains.