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 What is meant by the term 'precision'? The overall quality of the data. 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. 2 / 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? 4.935% 95% 19.2% 80.8% 3 / 10 A rain gauge recoding data to 5 decimal places is producing precise data. False True 4 / 10 What is meant by the term 'data quality'? The generalization present in the source data. The inherent quality of the data as characterized by its accuracy, precision, bias, level of error, etc. The resolution of the data. The lineage of the data. 5 / 10 For Drunk drivers “You are below the alcohol limit.” False Negative False Positive True Positive True Negative 6 / 10 Looking at the above rifle target, how would you describe the shooting of this contestant? Inaccurate and imprecise. Accurate and imprecise. Inaccurate and precise. Accurate and precise. 7 / 10 True Negative: You had predicted that USA would win and it won. You had predicted that USA would win and it win. You had predicted that USA would not win and it lost. You had predicted that USA would win and it lost. 8 / 10 In some countries the law states that a suspect in a criminal case is: “Innocent until proven guilty”. False Negative True Negative True Positive False Positive 9 / 10 Measurements from paper maps can be regarded as 100% accurate. True False 10 / 10 What is meant by the term 'accuracy'? 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. Your score is LinkedIn Facebook VKontakte 0% Restart quiz
