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a study compared the effectiveness of several antidepressants by examining the experiments in which they had passed the
in a study of streams in the adirondack mountains the following relationship was found between the water s ph and its
a study of traffic delays in 68 us cities found the following relationship between total delays in total hours lost and
a researcher investigating the association between two variables collected some data and was surprised when he
is there an association between time of year and the nighttime temperature in north dakota a researcher assigned the
in an investigation of environmental causes of disease data were collected on the annual mortality rate deaths per
in 2001 progressive insurance asked customers who had been involved in auto accidents how far they were from home when
you pick a card from a deck see description in chapter 11 and record its denomination 7 say and its suit maybe spadesa
a us census bureau report august 2000 current population survey found that 510 of homes had a personal computer and 415
as part of the course work a class at an upstate ny college collects data on streams each year students record a number
it is a common belief that yellowstones most famous geyser erupts once an hour at very predictable intervals the
a credit card bank is investigating the incidence of fraudulent card use the bank suspects that the type of product
based on long-term investigation researchers have suggested that the acidity ph of rainfall in the shenandoah mountains
public relations staff at state u collected data on peoples opinions of various colleges and universities in their
clarksburg bakery is trying to predict how many loaves to bake in the last 100 days they have sold between 95 and 140
beanstalk clubs are social clubs for very tall people to join a man must be over 62 tall and a woman over 510 the
in a study of dialysis researchers found that of the three patients who were currently on dialysis 67 had developed
the boxplots shown display the heights in inches of 130 members of a choira it appears that the median height for
here are the prices in cents per pound of bananas reported from 15 markets surveyed by the us department of
agricultural scientists are working on developing an improved variety of roma tomatoes marketing research indicates
hens usually begin laying eggs when they are about 6 months old young hens tend to lay smaller eggs often weighing less
wildlife biologists believe that the weights of adult trout can be described by a normal model they collected data from
while only 5 of babies have learned to walk by the age of 10 months 75 are walking by 13 months of ageif the age at
a cornell university researcher measured the mouth volumes of 31 men and 30 women she found a mean of 66 cc for men sd
we learned in the chapter that the average dutch man is 184 cm tall the standard deviation of caucasian adult male