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If the average number of textbooks in a professors' offices is 16, the standard deviation is 5, and the average age of professors is 43, with a standard deviation of 8, which data set is more variable, the textbooks or the age? Calculate the coefficient of variation for each and compare.
a steam power plant has steam leaving the boiler at 1 mpa and 300 degrees c. if the plant operated with a condenser
Each electric cooker has a variable cost of $200 and a selling price of $300, and each gas cooker has a variable cost of $160 and a selling price of $240. Fixed overheads are $60,000 a week and the company works a 50-week year. The marketing depa..
To carry out a validation study, an I/O psychologist is developing a regression equation from data collected from those hired two years ago
How would you use the "margin of error" in estimating the percentage of all adults who think that Venetian blinds are the hardest to clean?
describe the properties of central tendency and shape in numerical data. explain how to find the range variance and
Suppose B^0 and B^1(beta hut 0 and beta hut 1) are the least squares estimates of B0 and B1 of the first model. Find the estimates of B0* and B1* in terms of B^0 and B^1.
construct a 96 confidence interval for the true mean breaking strength of a certain type of 10 ft. long cables. assume
It is suspected that a random variable has a normal distribution with a mean of 6 and a standard deviation of 0.5. After observing several hundred values, we find that the mean is approximately equal to 6 and the standard deviation is close to 0.5..
Using an alpha of .05, what can you conclude about homogeneity of variance from the output? Word process your responses on the SPSS output pages.
Required rate of return for a division of an organization that has risk characteristics that differ from the risk characteristics of the overall organization. Which answer choice identifies this description
a. Formulate a linear programming model for this problem. b. Solve the model by using graphical analysis.
Here are the DMS odor thresholds for 10 untrained students:
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