Thinking Like an Engineer: An Active Learning Approach (4th Edition)
4th Edition
ISBN: 9780134639673
Author: Elizabeth A. Stephan, David R. Bowman, William J. Park, Benjamin L. Sill, Matthew W. Ohland
Publisher: PEARSON
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Chapter 14.1, Problem 1CC
The following table lists the number of computer chips rejected for defects during random testing over the course of a week on a manufacturing. Four samples of 20 parts are pulled each day. Use the following data to generate a histogram by hand.
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Say, you have a thermometer and you are checking the temperature of a body that has a temperature of 36o Using your thermometer five times, it gives you the following measurements: 29oC, 29.2oC, 29.3oC, 28.9oC, and 29.1oC. What can we conclude about the accuracy and the precision of the thermometer?Group of answer choices The thermometer is not accurate and not precise The thermometer is faulty. The thermometer is accurate and precise The thermometer is not accurate but precise.
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1) Graph 1: plot t on the abscissa versus y on the ordinate and (artistically) draw a smooth line through the points. The line need not actually go through each data point.
2) Graph 2: plot t^2 on the abscissa versus y on the ordinate and then perform a linear regression. Remember to plot both the raw data points and the line of best fit (with the two points used to draw it); also show the regression equation and r value on the graph.
3) On graph (1), what does the slope of the line tell you about the velocity of the ball? Be thorough!
4) On graph 2:
a) What does the slope of the line tell you about the acceleration of the ball? Be thorough!
b) Calculate g from the freefall data and the % error (in comparison to 9.81 m/s^2) using the results from the linear regression calculation.
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Chapter 14 Solutions
Thinking Like an Engineer: An Active Learning Approach (4th Edition)
Ch. 14.1 - The following table lists the number of computer...Ch. 14.2 - For the following mass data g1ven in units of...Ch. 14.2 - For the following temperature data given in units...Ch. 14.3 - For each of the following graphs, decide if the...Ch. 14.3 - Use the scenario described in Example 14-4. For...Ch. 14.4 - Consider the weight of shipping boxes sent down an...Ch. 14.4 - Prob. 7CCCh. 14.5 - Prob. 8CCCh. 14 - For the following pressure data, recorded in units...Ch. 14 - A technician tested two temperature probes by...
Ch. 14 - One of the NAE Grand Challenges for Engineering is...Ch. 14 - You use the data from the Mauna Loa observatory in...Ch. 14 - Polyetheretherketone (PEEK)TM polymers are...Ch. 14 - A technician tested a temperature probe by...Ch. 14 - During November, the heading system in your...Ch. 14 - You are assigned to inspect metal-composite beam...Ch. 14 - Use the scenario described in the preceding...Ch. 14 - You test several temperature probes by inserting...Ch. 14 - Use the scenario described in the previous Problem...Ch. 14 - Prob. 14ICACh. 14 - The following data were collected from a...Ch. 14 - The following data were collected from a...Ch. 14 - The following table lists the number of resin...
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