Mathematics, 16.11.2020 17:20 carlo123
82. Close shave Which of two brands (X or Y) of electric
razor shaves closer? Researchers want to design and
carry out an experiment to answer this question using
50 adult male volunteers. Here's one idea: Have all
50 subjects shave the left sides of their faces with the
Brand X razor and shave the right sides of their faces
with the Brand Y razor. Then have each man decide
which razor gave the closer shave and compile the
results.
(a) Identify any flaws you see in the proposed design for
this experiment
(b) Describe how you would design the experiment.
Explain how your design addresses each of the
problems you identified in part (a).
Answers: 1
Mathematics, 21.06.2019 21:30
He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?
Answers: 1
Mathematics, 22.06.2019 00:30
What is the value of x? enter your answer in the box. x =
Answers: 1
Mathematics, 22.06.2019 04:00
Brad earns $12.75/hr and works 40 hours a week. what is his gross annual income?
Answers: 1
Mathematics, 22.06.2019 05:00
There are 1872 steps in a building that has 104 floors. each floor has the same number of steps. a second building has the same number of floors but 2 fewer steps between each floor. how many steps are there between each floor of the second building?
Answers: 3
82. Close shave Which of two brands (X or Y) of electric
razor shaves closer? Researchers want to d...
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