What does the accuracy rate indicate?

Practical Management Science
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Chapter2: Introduction To Spreadsheet Modeling
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The chart below is a summary of the main results of a test data set representing the population observed purchasing a virtual digital assistant. What does the accuracy rate indicate?

Metrics
Metric Value
Accuracy (#correct) 178
Accuracy (%correct) 85.6
Specificity 0.88219
Sensitivity (Recall) 0.6
Precision 0.82400
F1 Score 0.88213
Success Class 1
Success Probability 0.4
 

Multiple Choice

  • 85.6% of the population has purchased a virtual assistant.

  • 60% of the observations are correctly classified.

  • 85.6% of the observations are correctly classified.

  • 14.4% of the observations are correctly classified.

 

Explain all the incorrect answers also

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