A Service Center for Electronic Equipment Is Conducting a Study

question 62

Multiple Choice

A service center for electronic equipment is conducting a study on three of their technicians: Joe,John,and James.All three specialize in repairing computer drives.The study was performed to study the service time of fixing the computer drives.The manager of the service center wishes to assess if the average service times for the three technicians are equal: H₀: ₁ = ₂ = ₃.Each technician was given a random sample of computer drives,and the service time for each was recorded.The ANOVA table and descriptive statistics are given below. What is the value of the coefficient of determination R²?

• A)0.0078
• B)0.166
• C)0.848
• D)0.992

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Definitions:

Hydrogen Bonds

An unstable linkage between two molecules due to the electrostatic force acting between a proton in one molecule and an electronegative atom in the other.

Ester

An organic compound made by replacing the hydrogen of an acid by an alkyl or other organic group, often resulting in distinctive fragrances.

Molecules

Molecules are groups of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.

Structure

The organization and connections between different parts or elements within a complex structure.