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old faithful does the duration of an eruption have an effect on the length of time that elapses before the next
teen drivers in its traffic safety facts 2005 the national highway traffic safety administration reported that 63 of
cramming one thursday researchers gave students enrolled in a section of basic spanish a set of 50 new vocabulary words
streams as part of the course work a class at an upstate ny college collects data on streams each year students record
acid rain based on long-term investigation researchers have suggested that the acidity ph of rainfall in the shenandoah
winter olympics 2006 speed skating the top 25 womens 500-m speed skating times are listed in the tablea the mean
state university public relations staff at state u phoned 850 local residents after identifying themselves the callers
dialysis in a study of dialysis researchers found that of the three patients who were currently on dialysis 67 had
age and party 2007 the pew research center conducts surveys regularly asking respondents which political party they
engines one measure of the size of an automobile engine is its displacement the total volume in liters or cubic inches
birth order revisited consider again the data on birth order and college majors in exercise 28a what is the marginal
sluggers babe ruth was the first great slugger in baseball his record of 60 home runs in one season held for 34 years
be quick avoiding an accident when driving can depend on reaction time that time measured from the moment the driver
birth order is your birth order related to your choice of major a statistics professor at a large university polled his
herbal medicine researchers for the herbal medicine council collected information on peoples experiences with a new
age and party ii consider again the pew research center results on age and political party in exercise 33a what is the
bike safety the bicycle helmet safety institute website includes a report on the number of bicycle fatalities per year
some assembly required a company that markets build-it-yourself furniture sells a computer desk that is advertised with
profits here is a stem-and-leaf display showing profits as a percent of sales for 29 of the forbes 500 largest us
association suppose you were to collect data for each pair of variables you want to make a scatterplot which variable
sample a study in south africa focusing on the impact of health insurance identified 1590 children at birth and then
antidepressants a study compared the effectiveness of several antidepressants by examining the experiments in which
firing pottery a ceramics factory can fire eight large batches of pottery a day sometimes a few of the pieces break in
planets more or less on august 24 2006 the international astronomical union voted that pluto is not a planet some
flights the number of flights by us airlines has grown rapidly here are the number of flights flown in each year from