Precision and Recall in Machine Learning Quiz 1 Number of questions: 16Time limit: 7 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 / 16 What is the quantity 7.5 millimeters expressed in centimeters? 0.75 cm 0.075 cm 7.5 cm 75 cm 2 / 16 Saba estimates the weight of her cat to be 8 pounds. The actual weight of the cat was 10 pounds. Find the percent error. 25% 15% 30% 20% 3 / 16 The students measured length during a science experiement, they got 12 cm. But the actual measurement was 14.25 cm. What was the percent error? 18.75% 2.25% 15.79% 18% 4 / 16 Describe the accuracy and precision of the image Accurate and not precise Not Accurate and Precise Accurate and Precise Not accurate and not precise 5 / 16 It is a measure of how close measurements come to each other when they are made in the same way Precision Accuracy Extrapolation Error 6 / 16 The closeness of a measurement to its true value is a measure of its: Usefulness Accuracy Reproducibility Precision 7 / 16 A and B both wash cars and change oil. Currently, each man washes and changes oil by himself, but the process takes lots of time. they would MOST LIKELY improve their efficiency if A & B wash a car and change oil together A washes car while B changes oil A and B reduce the number of cars they wash A washes B car while B washes A's car 8 / 16 This bullseye demonstrates... High Accuracy & High Precision High Accuracy & Low Precision Low Accuracy & High Precision Low Accuracy & Low Precision 9 / 16 Based on the data provided below which student has the most precise data? Student C Student B Student A Cannot be determined 10 / 16 A set of data are all close to each other, but they are not close to the actual value. This set of data can be described as... Both precise and accurate None of the above Precise Accurate 11 / 16 Which of the following lengths is the same as one meter? One centimeter One hundred centimeters Ten centimeters One thousand centimeters 12 / 16 A chemist who frequency carries out the same complex experiment is likely to have high _____. None of the above Error Accuracy Precision 13 / 16 This bull eyes demonstrates… High Accuracy & High Precision Low Accuracy & High Precision High Accuracy & Low Precision Low Accuracy & Low Precision 14 / 16 A reaction takes place that is expected to yield 171.9 g of product, but only yields 154.8 g. What is the percent error for this experiment? 17.1% 9.9% 111.0% 90.1% 15 / 16 Three different people weigh a standard mass of 2.00 g on the same balance. Each person obtains a reading of exactly 7.32 g for the mass of the standard. These results imply that the balance that was used is: Neither accurate nor precise Both accurate and precise Accurate but not precise Precise but not accurate 16 / 16 A set of data are all close to each other, and they are close to the actual value. This set of data can be described as... Accurate Precise None of the above Both precise and accurate Your score is LinkedIn Facebook Twitter 0% Restart quiz
