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1 a study by experian found that 20 of consum- ers in new jersey have 10 or more credit cards com- pared to 11 in
1 a maintenance engineer has been approached by a supplier who promises less downtime for machines using its new
1 a pharmaceutical manufacturer has come up with a new drug intended to provide greater headache relief than the old
1 a motel manager concerned with customer theft of towels decided that the theft rate might be reduced by changing
1 in an experiment comparing a new long-distance golf ball with the conventional design each of 20 golfers hits one
1 two machines are supposed to be producing steel bars of approximately the same length a sample of 35 bars from one
for a sample of 48 finance majors the average time spent reading each issue of the campus newspaper is 197 minutes
1 independent random samples of vehicles traveling past a given point on an interstate highway have been observed on
an industrial engineer has designed a new work- station layout that she claims will increase production efficiency for
a compressor manufacturer is testing two differ- ent designs for an air tank testing involves pumping air into a tank
the manufacturer of a small utility trailer is inter- ested in comparing the amount of fuel used in towing the trailer
1 an investment analyst has data for the past 8 years on each of two mutual funds with the annual rates of return for
1 for two samples from what are assumed to be normally distributed populations the sample sizes and standard deviations
1 a telephone sales solicitor trying to decide between two alternative sales pitches randomly alternated between them
1158 of 200 subjects approached by interviewer a 45 refused to be interviewed of 120 approached by interviewer
1 in a study by the united dairy industry association 42 of 655 persons age 35-44 said they seldom or never ate
in examining the ability of users to complete a variety of information-seeking tasks on their mobile devices nielsen
1 for a special pre-new years eve show a radio station personality has invited a small panel of promi- nent local
1 in an attempt to measure the emotional effect of a proposed billboard ad an advertising agency checks the pulse rate
1 a pharmaceutical firm has checked the cholesterol levels for each of 30 male patients then provided them with
according to the us bureau of labor statistics personal expenditures for entertainment fees and admis- sions averaged
during may 2009 visitors to usatodaycom spent an average of 122 minutes per visit compared to 110 minutes for visitors
1 according to a yankelovich poll women spend an average of 191 hours shopping during the month of december
safety engineers at a manufacturing plant are evaluating two brands of 50-ampere electrical fuses for possible purchase
1 it has been claimed that flattening rolling the barrel of a graphite baseball bat can stretch the fibers and result