Quiz10-5.7.25

Which of the following is same?

• Specificity & Recall
• Specificity & Accuracy
• F1 score & Accuracy
• Sensitivity & Recall

The other name of Accuracy is?

• Truth count
• Perfect match
• Recognition rate
• Sensitivity

Jessie estimates the weight of her cat to be 8 pounds. The actual weight of the cat was 10 pounds. Find the percent error.

• 0.15
• 0.2
• 0.25
• 0.3

Describe the accuracy and precision of the image

• Accurate and Precise
• not accurate and not precise
• Accurate and not precise
• Not Accurate and Precise

Accuracy measures:

• TP/(TP + FP)
• (TP + TN)/(TP + TN + FP + FN)
• TP/(TP + FN)
• TN/(TN + FP)

Precision formula is

• TP/(TP + FN)
• TN/(TN + FP)
• TP/(TP + FP)
• FP/(FP + TN)

F₁ formula:

• (precision + recall)/2
• 2 × precision × recall / (precision + recall)
• 2*TP/(TP+FP+FN)
• 2*TN/(TN+FP+FN)

When there’s class imbalance, which metrics matter most?

• Accuracy
• Precision and recall
• Specificity
• F1 score

True Negative means:

• Correct negative prediction
• Incorrect negative prediction
• Correct positive prediction
• Incorrect positive prediction

False Positive means:

• Actual negative predicted positive
• Actual positive predicted negative
• Actual negative predicted negative
• Actual positive predicted positive