A Manufacturing Company Produces Part 2205 for the Aerospace Industry $\chi$

question 31

Multiple Choice

A manufacturing company produces part 2205 for the aerospace industry.This particular part can be manufactured using 3 different production processes.The management wants to know if the quality of the units of part 2205 is the same for all three processes.The production supervisor obtained the following data: Process 1 had 29 defective units in 240 items;Process 2 produced 12 defective units in 180 items and Process 3 manufactured 9 defective units in 150 items.At a significance level of .05,the management wants to perform a hypothesis test to determine whether the quality of items produced appears to be independent of the production process used.What is the rejection point condition?

• A)Reject H₀ if \(\chi\)² > .10257
• B)Reject H₀ if \(\chi\)² > 9.3484
• C)Reject H₀ if \(\chi\)² > 5.99147
• D)Reject H₀ if \(\chi\)² > 7.37776
• E)Reject H₀ if \(\chi\)² > 7.81473

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Definitions:

Empirical Studies

Research based on observed and measured phenomena, conducted to test hypotheses.

Traditional Health Practitioners

Individuals who use herbs, physical manipulation, spiritual healing, and cultural practices to treat various ailments, often within an indigenous or folk medicine context.

Traditional Practitioner

A healer or medical professional who utilizes age-old, culturally specific techniques and remedies for treating various medical or spiritual conditions.

Cultural Relativism

The principle that an individual’s beliefs and activities should be understood by others in terms of that individual's own culture.