Challenge Yourself A. Answer the questions briefly while referring to the accompanying EVALUATE figures. 1.4. Sources and Types of Error 15 Unit 1: Physical Quantities and Measurements 1. How will you describe the measured value if an error bar is observed below? specified upper limit specified lower limit 2. How will you read the voltmeter with a reading below? Defend your answer. 40 50 60 30 70 20 80 10 90 100 3. Data from an experiment were plotted in a graph and error bars were included to provide the uncertainty of each data point. You are expecting that the data points will lie in a straight diagonal line from the origin. Will it agree with your expectations? What can you conclude about the set of data points shown in the graph below?11.29 Frl,98epI B 191 - (- Unit 1 - Google Drive a drivegooglecom Unit 1: Physical Quantities and Measurements 8. Answer the questions in 23 sentences only. 1. Why are mistakes or blunders not categorized as either random or systematic errors? . Explain how changes in the environment can result in both systematic and random errors. \"I O