Instruction 9-6 The Quality Control Engineer for a Furniture Manufacturer Is Interested

question 4

Multiple Choice

Instruction 9-6
The quality control engineer for a furniture manufacturer is interested in the mean amount of force necessary to produce cracks in stressed oak furniture. She performs a two-tailed test of the null hypothesis that the mean for the stressed oak furniture is 650. The calculated value of the Z test statistic is a positive number that leads to a p-value of 0.080 for the test.
-Referring to Instruction 9-6,suppose the engineer had decided that the alternative hypothesis to test was that the mean was less than 650.What would be the p-value of this one-tailed test?

• A) 0.160
• B) 0.040
• C) 0.840
• D) 0.960

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Definitions:

Architect

A professional who designs buildings and in many cases also supervises their construction.

Multiple Intelligences

A theory by Howard Gardner suggesting individuals possess various forms of intelligence, including linguistic, logical-mathematical, musical, spatial, bodily-kinesthetic, interpersonal, intrapersonal, and naturalistic.

Spatial Intelligence

The cognitive ability to visualize and manipulate objects and their spatial relations in the mind, important for solving spatial problems and navigating environments.

IQ Score

A measure of a person's intellectual abilities in relation to an average score for a large population, usually determined by an intelligence test.