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Author Question: A technician wishes to examine the breaking pressures, in pounds per square inch, of three brands of ... (Read 80 times)

maychende

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A technician wishes to examine the breaking pressures, in pounds per square inch, of three brands of adhesives. In this study, the adhesives are used to bond two identical squares of 1/2-thick pieces of acrylic plastic face-on, and then the assembly is tensionally stressed until the bond fails. For each of the adhesive brands, the test is repeated for 50 trials. How many treatments are involved in this study?
  1.3
  2.1
  3.50
  4.150
  5.2

Question 2

In many areas of the U.S., honey bee populations have been devastated in recent years, and the cause is not yet well-understood. The general opinion amongst the beekeepers in a particular region is that the problem is intensifying, and a researcher sets out to settle this question by surveying the health of a large number of randomly-selected hives.
   Which of the following best describes this study?<--EndFragment-->


  1.hypothesis test with sample data
  2.estimation study with sample data
  3.hypothesis test with experimental data
  4.estimation study with experimental data
  5.All of these are good descriptions.



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angrybirds13579

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Answer to Question 1

1

Answer to Question 2

1





 

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