Precision and Recall in Machine Learning Quiz 2 Number of questions: 10Time limit: 4 minutesMust be finished in one sitting. You cannot save and finish later.Questions displayed per page: 1Will allow you to go back and change your answers.Will not let you finish with any questions unattempted. 1 / 10 True Negative: You had predicted that USA would win and it win. You had predicted that USA would win and it lost. You had predicted that USA would win and it won. You had predicted that USA would not win and it lost. 2 / 10 For Drunk drivers “You are below the alcohol limit.” True Negative False Positive True Positive False Negative 3 / 10 What is meant by the term 'accuracy'? The extent to which a value approaches its true value. The lack of bias in the data. The level of detail at which data is stored. The overall quality of the data. 4 / 10 Saba thinks she may be allergic to peanuts, and takes a test that gives the following results:For people that really do have the allergy, the test says "Yes" 90% of the time• For people that do not have the allergy, the test says "Yes" 5% of the time ("false positive")If 1.3% of the population have the allergy, and Saba's test says "Yes", what are the chances that Saba really does have the allergy? 95% 80.8% 19.2% 4.935% 5 / 10 What is meant by the term 'precision'? The overall quality of the data. The lack of bias in the data. The level of detail at which data is stored. The extent to which a value approaches its true value. 6 / 10 Looking at the above rifle target, how would you describe the shooting of this contestant? Inaccurate and imprecise. Accurate and precise. Accurate and imprecise. Inaccurate and precise. 7 / 10 What is meant by the term 'data quality'? The lineage of the data. The inherent quality of the data as characterized by its accuracy, precision, bias, level of error, etc. The resolution of the data. The generalization present in the source data. 8 / 10 In some countries the law states that a suspect in a criminal case is: “Innocent until proven guilty”. True Positive False Negative False Positive True Negative 9 / 10 A rain gauge recoding data to 5 decimal places is producing precise data. True False 10 / 10 Measurements from paper maps can be regarded as 100% accurate. False True Your score is LinkedIn Facebook Twitter 0% Restart quiz
