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A randon sample of monthly gasoline bills for a company's 15 sales persons are:$216-254-247-257-231-265-221-226-228-252-235-265-272-285-266. what is the mean? what is the median? what is the value of quartile 3? what is the value of the mode? the range is equal to? what is the value of the standard deviation? what is the value of the coefficient of variation? do not express the answer as a percent, leave it as a ratio, eg .123are the numbers skewed positively, negatively or are they symmetrical? (for your answer enter only one word: positively, negatively or symmetrical. what is the value of the coefficient of skewness using pearson's coefficient of skewness? what is the value of quartile 2?
Do a project in data mining with R - statistic and Economics but the project can be not only Economics argument.
Coal is carried from a mine in West Virginia to a power plant in New York in hopper cars on a long train. The automatic hopper car loader is set to put 53 tons of coal into each car. The actual weights of coal loaded into each car are normally ..
The sample average number of strokes being more than 5.0.
Use Analyze, Descriptive statistics, Frequencies to summarize nonmetric variables, and create a pie-chart for Year in college and create a histogram for IQ and include the normal distribution.
A sample of domestic new cars.
What demographic variables were measured at least at the interval level of measurement and what statistics were used to describe the length of labor in this study? The researchers analyzed the data they collected as though it were at what level of me..
Example Study 2: Another researcher finds 4,000 men over 40 who have not had heart attacks and are willing to participate in a study. She assigns 2,000 of them into a regular program of supervised exercise. The other 2,000 continued their usual..
Give the state transition probability matrix
a. Estimate the number of games in the sample that the Colonials win by giving the mean of the relevant distribution (that is, the expectation of the relevant random variable). Do not round your response.
Formulate a nonlinear program representing the profit maximization problem for the bakery - Formulate the goal programming representation of this problem, with the other three goals having priorities P2, P3, and P4, respectively.
Consider Mary''s study of whether the learning of 6th graders on a math lesson is affected by background noise level. Describe the pros and cons of Mary using a repeated measures design for this study. What would you probably choose to do? Support yo..
advertising for this variable each student must fill in the table with whatever random values each student wants.
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