Reference no: EM131197471
The investigators from Exercise 3.19 suspected that in addition to temperature, the yield might also depend on the speed of the mixer. Along with temperatures 100°F, 150°F, and 200°F, they decided to compare two different speeds of the mixer, 1,200 and 1,800 rpm (revolutions per minute).
a Identify treatments.
b Design an experiment to compare yield at different temperatures and speeds.
Exercise 3.19
The yield of a particular chemical reaction depends on the temperature at which the reaction is carried out. The investigators are interested in comparing the yield at temperatures 100°F, 150°F, and 200°F. They can conduct a reaction 12 times in an 8-hour shift.
a Identify the response variable.
b Identify treatments.
c Design a completely randomized experiment to compare yield at different temperatures.
d How many replications of each treatment are possible in an 8-hour shift?
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