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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
a nutrition laboratory tests 40 reduced sodium hot dogs finding that the mean sodium content is 310 mg with a standard
the nutrition lab in exercise 17 tests the hot dogs again this time using a sample of 60 reduced sodium frankfurters
after his first attempt to determine the speed of light described in exercise 18 michelson conducted an improved
what are the chances your flight will leave on time the us bureau of transportation statistics of the department of
in 1996 20 of the students at a major university had an overall grade point average of 35 or higher on a scale of 40 in
neurological research has shown that in about 80 of people language abilities reside in the brain s left side another
in 1999 the centers for disease control and prevention estimated that about 348 of high school students smoked
in 2002 the medical journal the lancet reported that 335 of 573 patients suffering from crohn s disease responded
growing concern about binge drinking among college students has prompted one large state university to conduct a survey