State true or False: Precision is inversely proportional to recall True False

Define Precision and Recall.

True/False: Precision in an information retrieval system refers to the fraction of relevant documents in the collection that were returned by the system.Question 5Select one:TrueFalse

What is the difference between precision and recall?<br /> A. 1. Precision measures the accuracy of positive predictions, while recall measures the ability to capture all positive instances <br />B. 2. Precision is the ratio of true positives to true negatives, while recall is the ratio of false positives to false negatives <br />C. 3. Precision and recall are synonymous and used interchangeably <br />D. 4. Precision focuses on false positives, while recall focuses on false negatives

With the help of a confusion matrix, we can compute-RecallPrecissionAccuracyAll of the above

Accuracy is a measure of closeness of measured values to each other.a.Trueb.False