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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?
A clinical trial is conducted comparing a new pain medication for arthritis. Participants are randomly assigned to receive the new medication or a placebo. The outcome is pain relief within 30 minutes.
How do you derive the formula of the normal distribution curve?
an experiment is conducted in which 60 participants each fill out a personality test but not according to the way they
Plain old Monty Hall
a study was conducted to estimate hospital costs for accident victims who wore seat belts. twenty randomly selected
Clearly state your hypothesis and conclusions.
The number of loads of laundry washed per month was tracked for women and men living in college dorms.
What is the conclusion you can draw regarding research question that was posed in this research - would you now move on to interpret the results of the Tests of Between-Subjects Tests?
Olive weights are classified according to a unique set of adjectives implying great size.
The mean sales per customer µ for all of the sales for your company last month is not known. Based on your past experience, you are willing to assume that the population standard deviation of sales, σ, is about $220. If you take a random sample of 10..
Evaluate the value of beta for each stock. Which of these stocks would you expect to perform best in an up market? Which would you expect to hold their value best in a down market?
1. In the past, of all the students enrolled in "Basic Business Statistics" 10% earned A's 30% earned B's, 25% earned C's, 25% earned D's and the rest either failed or withdrew from the course. Dr Johnson is a new professor teaching "Basic Busi..
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