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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?
As part of an assessment for navigation, a professor has his students take a written test. He teaches two sections of the class. The variance and standard deviations for test 1 and test 2 scores are shown below. What do the results say about the rela..
1. For a given N, the interval that bounds the population mean at the 99% confidence level is ____ that which bounds the population mean at the 95% confidence level. A. equal to B. greater than C. less than D. can't be determined
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.
Quantitative Business Analysis - Find Correlation, simple linear, and Multiple Regression Analysis
Do exchange students like these who go to college in Canada fall in love more often than those who complete their studies in their country of origin -
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific notation, a period MUST be used as the deci..
The AMS technical services department has embarked on a quality improvement effort. Its first project relates to main- taining the target upload speed for its Internet service sub- scribers. Upload speeds are measured on a standard scale
What can we say about the shape of the distribution of the sample mean?
An interior designer makes a presentation to potential clients and this results in sales of her services in 35% of the cases. Let X denote the number of sales in the next four presentations. Assuming the results for different clients are indep..
What percentage of the area of the standard normal distribution is between z = -2.00 and z = +2.00? How do you know this?
A severe storm has an average peak wave height of 16.4 feet for waves hitting the shore. Suppose that a storm is in progress with a severe storm class rating. Let us say that we want to set up a statistical test to see if the wave action (i.e., heigh..
What is the difference between the CIJE and RIE parts of the ERIC system?
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