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having done poorly on their math final exams in june six students repeat the course in summer school then take another
in exercises 1 and 2 we see the number of advertised brand names people recalled immediately after watching tv shows
researchers investigated how the size of a bowl affects how much ice cream people tend to scoop when serving
exercise requires using stata-a study in the new england journal of medicine compared cardiovascular events for
credit card charges a credit card company takes a random sample of 100 cardholders to see how much they charged on
a sample of 20 ceos from the forbes 500 shows total annual compensations ranging from a minimum of 01 to 6224 million
will your flight get you to your destination on time the us bureau of transportation statistics reported the percentage
should you generate electricity with your own personal wind turbine that depends on whether you have enough wind on
in 1998 as an advertising campaign the nabisco company announced a 1000 chips challenge claiming that every 18-ounce
the united states golf association usga sets performance standards for golf balls for example the initial velocity of
the manufacturer of the metal tv stands in given exercise is thinking of revising its safety testa if the company s
the catheter company in exercise 28 is reviewing its testing procedurea suppose the significance level is changed to
in 1960 census results indicated that the age at which american men first married had a mean of 233 years it is widely
a company with a large fleet of cars hopes to keep gasoline costs down and sets a goal of attaining a fleet average of
students investigating the packaging of potato chips purchased 6 bags of lay s ruffles marked with a net weight of 283
some students checked 6 bags of doritos marked with a net weight of 283 grams they carefully weighed the contents of
yvon hopps ran an experiment to test optimum power and time settings for microwave popcorn his goal was to find a
bjork larsen was trying to decide whether to use a new racing wax for cross-country skis he decided that the wax would
one of the important factors in auto safety is the weight of the vehicle insurance companies are interested in knowing
a manufacturer claims that a new design for a portable phone has increased the range to 150 feet allowing many
consumer reports tested 14 brands of vanilla yogurt and found the following numbers of calories per servinga check the
a tire manufacturer is considering a newly designed tread pattern for its all-weather tires tests have indicated that
after surveying students at dartmouth college a campus organization calculated that a 95 confidence interval for the
based on meteorological data for the past century a local tv weather forecaster estimates that the regions average
suppose that for budget planning purposes the city in given exercise needs a better estimate of the mean daily income