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In studying a chemical reaction, a chemist performed a 23 factorial design and obtained the following results:
The chemist believes that the standard deviation of each observation is approximately unity. Explaining your assumptions, analyze these data.
(a) What are the main conclusions you draw from the data?
(b) If the chemist wants to perform two further runs and his or her object is to obtain high yield values, what settings of temperature, concentration, and stirring rate would you recommend?
Identify the types of measurements used in the study. Which of the statistics presented, provides the most compelling evidence to support the author's position?
In 2010, the average age of students at UTC was 22 with a standard deviation of 3.96. In 2013, the average age was 24 with a standard deviation of 4.08. In which year do the ages show a more dispersed distribution? Show your complete work and supp..
a genetic experiment involving peas yielded one sample of offspring consisting of 426 green peas and 145 yellow peas.
Overtime happens after eight hours of work on given day. Determine the probability that letter carrier works overtime on any given day?
Is math the key to success in college? Here is the opening of a newspaper account of a College Board study of 15,941 high school graduates.
For this assignment you will research and report on things happening outside the U.S. relative to many of the issues we have covered in this class. Compare and contrast U.S. and global companies doing business around the world and their behaviors ..
For a randomly chosen prisoner, are the event that the person returns to prison and the event that the person is a woman independent?
the cost of a college education has increased at a much faster rate than costs in general over the past twenty years.
In what ways is the t distribution similar to the standard normal distribution? In what ways is the t distribution different from the standard normal distribution? How does the formula for the t test differ from the formula for the z test?
a. Is time spent in the sun being treated as a quantitative or a categorical variable?
To demonstrate your "expertise" in recognizing and solving conditional probability problems, set up one, no matter how simple, based on a statistical experiment
A random sample of 80 students is selected for a particular study. What is the probability that the sample proportion (the proportion living in the dormitories) is between 0.30 and 0.50?
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