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Question: You Can Work and Get Your Exercise at the Same Time One in five clerical workers walks about a quarter mile a day just to complete routine functions like faxing, copying and filing, a national survey on office efficiency reports. The survey also shows that the average office worker spends close to 15 percent of the day just walking around the office. Not surprisingly, the survey was commissioned by Canon U.S.A., maker of-you guessed it-office copiers and printers that claim to cut the time and money "spent running from one machine to the next." Discussion We are not given any information that would allow us to evaluate the results of this survey. Further, what does it mean to say that one in five workers walk that far? Do the others walk more or less? Is the figure based on an average of the top 20% (one in five) of a set of numbers, in which case outliers for office delivery personnel and others are likely to distort the mean?
If they have 18 trucks, what are the mean and standard deviation of the total number of parking tickets the company will have to pay this month?
The median age of a tourist to Aruba in the summer of 2007 was believed to be 41 years. A random sample of 18 tourists gives the following ages.
under a recent u.s. food and drug administration fda standard for food contaminants 3.5 ounces of tomato sauce can have
Gina took the SAT in 1994 and scored 500. Her cousin Colleen took the SAT in 2013 and scored 530. Who did better on the exam, and how can you tell?
A researcher wishes to try three different techniques to lower the blood pressure of individuals with high blood pressure. The subjects are randomly selected and assigned to three groups
the minneapolis heart institute foundation conducted a study to determine the benefit of follow-up care for patients
The Fourth Amendment guarantees our right to freedom from unreasonable search and seizure. It does not prohibit reasonable search and seizure.
What is the probability that a man selected at random has children?
For each lettered part, a through c, examine the two given sets of numbers. Without doing any calculations, decide which set has the larger standard deviation and explain why. Then check by finding the standard deviations by hand.
suppose that earthquakes occur in the western u.s. in accordance with a poisson distribution with a mean of 2 per week.
If, in a typical day, the store serves 312 customers, how much does the store take in on the worst 10% of such days?
a researcher conducts a study of perceptual illusions under two different lighting conditions. twenty participants were
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