A Manufacturing Company Produces Part QV2Y for the Aerospace Industry

question 40

Multiple Choice

A manufacturing company produces part QV2Y 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 QV2Y 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.Chi-Square Contingency Table Test for Independence At a significance level of .05,the management wants to perform a hypothesis test to determine if the quality of the items produced appears to be independent of the production process used.Based on the results summarized in the MegaStat/Excel output provided in the table above,we

• A) reject H₀ and conclude that the quality of the product is not the same for all processes.
• B) reject H₀ and conclude that the quality of the product is dependent on the manufacturing process.
• C) do not reject H₀,and conclude that the quality of the product does not significantly differ among the three processes.
• D) do not reject H₀,and conclude that the quality of the product is not the same for all processes.
• E) reject H₀ and conclude that the quality of the product is independent of the manufacturing process used.

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Definitions:

Throne

A ceremonial chair for a sovereign or dignitary, signifying authority and power within a monarchy or empire.

Spoon

A utensil consisting of a small, shallow bowl on a handle, used for preparing, serving, or eating food.

Statue

A three-dimensional sculpture.

Kente Cloth

A type of silk and cotton fabric made of interwoven cloth strips and is native to the Akan ethnic group of South Ghana, known for its vibrant colors and designs.