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CompTIA

PK0-005 · Question #337

During the execution of a project, a project manager wanted to discover how the number of worked hours was affecting the quality of given tasks. For a two-month period, the following data was…

The correct answer is A. A negative correlation exists between the number of mistakes and the working hours. From the scatter plot: As the average worked hours increase, the average number of mistakes decreases. This inverse relationship indicates a negative correlation between the two variables. At 6-8 hours, mistakes decrease significantly. At 10-12 hours, the number of mistakes is…

Project Management Concepts

Question

During the execution of a project, a project manager wanted to discover how the number of worked hours was affecting the quality of given tasks. For a two-month period, the following data was documented:

Which of the following describes the result?

Options

  • AA negative correlation exists between the number of mistakes and the working hours.
  • BNo correlation exists between the number of mistakes and the working hours.
  • CA low correlation exists between the working hours and the number of mistakes.
  • DA positive correlation exists between the number of mistakes and the working hours.

How the community answered

(52 responses)
  • A
    75% (39)
  • B
    13% (7)
  • C
    4% (2)
  • D
    8% (4)

Explanation

From the scatter plot: As the average worked hours increase, the average number of mistakes decreases. This inverse relationship indicates a negative correlation between the two variables. At 6-8 hours, mistakes decrease significantly. At 10-12 hours, the number of mistakes is close to zero.

Topics

#Project Quality Management#Correlation Analysis#Project Performance#Data Analysis

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