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engineers are interested in comparing the mean hydrogen production rates per day for three different heliostat sizes
to investigate reasons why people do not work the census bureau interviewed a group of randomly selected individuals
ariatnam najafi and morones journal of professional issues in engineering education and practice 2002 describe an
a materials engineer wants to study the effects of two different processes for sintering copper a process by which
a textile engineer is interested in measuring heat resistance of four different types of treads used in making
a manufacturer of keep it warm bags is interested in comparing the heat retention of bags when used at five different
bias is the tendency for a whole set of responses to read high or low because of some inherent difficulty with the
readers of the magazine popular science were asked to phone in on a 900 number their responses to the following
food survey data all wrong this was the headline of a newspaper article on a report from the from the general
why did they take my favorite show off the air the answer lies no doubt in low nielsen ratings what is the powerful
how does nielsen determine who is watching what show the determination comes from the data recorded in a journal by
decide whether these sampling methods produce a simple random sample of students from a class of 30 students if not
suppose engineers at an environmental testing firm received a project to compare mean percolation rates mmyr for four
an engineering department chair is interested in comparing the effect on the student grades of a well-established
suppose it is possible to determine the wear rate analytically that is by using formulas that establish the relation
a civil engineer is interested in comparing the wear rate of one type of propellant at 600degc 800degc and 100degc
a utility company is interested in comparing the effect of peak hour rates dollars per kilowatt of usage on the
in the 1990s scientists became concerned about worldwide declines in the population sizes for amphibians it was thought
the yield of a particular chemical reaction depends on the temperature at which the reaction is carried out the
the investigators from exercise 319 suspected that in addition to temperature the yield might also depend on the speed
the adult smoking rate declined according to an article in mobile register november 11 2005 the reported results were
coffee may not affect blood pressure in women reported an article in mobile register november 9 2005 this article was
with decreased natural fuel supplies and rising costs in recent years more and more car manufacturers are switching to
too little sleep raises obesity risk reported mobile register november 17 2005 a study involving about 18000 adults
a pediatric surgeon has known from experience that children undergoing any planned surgeries tend to suffer from