How long it take for water to begin to boil
A pot containing 1.0 liters of water at 20 °C is placed on the stove and heat is added to the water at a rate of 500 W. How long does it take for the water to begin to boil, and how after the water begins to boil does it take for the pot to go dry.
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Assume that you are expecting a medium effect size, ? = 0.05, and a minimum power of 0.80. Your experiment utilizes three (3) groups. What is the required sample size (a priori)? How many data points should exist in each group?
Determine the final temperature of the water, the amount of work done by the expansion, and the amount of heat added.
You conducted a t-test in your research. You did not find a statistically significant difference between your groups even though your sample size was relatively small. Upon conducting a post hoc power analysis you found that your actual power was
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Heat is added to the water at a rate of 500 W. How long does it take for the water to begin to boil, and how after the water begins to boil does it take for the pot to go dry.
Suppose the heights of American men are normally distributed with the mean of 68 inches and standard deviation of 2.5. Find the percentage of American men who are:
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