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a sample of heights in inches of 20 female statistics students is as follows68606871686966656661696972676667716066701
the sample size of the data is 10mediann 1 divide 2nbsp10 1 divide2 112 55mean460 340 410 410 690 790 780 830890
find the standard deviation of the number of 5s when a die is rolled 50 times 2 a test of the lymphatic system of the
two methods of memorizing words are to be compared you choose two groups of 5 people where the first person in the
a company makes 4k monitors and does not like to have defective pixels historically the mean number of defective pixels
to study the impact of the crisis on different cultural sectors you have collected information on the number of
a certain factory consumes on average 1000 m3nbspof water per day a random sample of 100 days was taken to test if the
the data below is given for partial demand and forecast data for a productquartert 4 5 6forecastft 400 430600demanddt
find the probability that a data value picked at random from a normal population will have a standard score z that lies
scenario lucy wants to know how her fourth-grade daughter monica scored on a test of reading comprehension compared to
a highway safety institution conducts experiments in which cars are crashed into a fixed barrier at 40 mph in the
you are a consultant on a project that looks at the difficulties of closing down a business across countriesnbspthe
suppose that two dice are tossed for each die it is equally likely that 1 2 3 4 5 or 6 dots will turn up let s be the
1use the following data to answer the questions belowgrade point average and family incomestudentincome 000s
if you are dealing with numbers both grouped data and ungrouped data will fall within a range of numbers so why the
there arenbsp45nbspstudents in an elementary statistics class on the basis of years of experience the instructor knows
rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation ofnbsp13 round
a new provider of isdn internet access wants to decide whether to commence operations in pg county it decides to do
the employee manager of a large company would like to estimate the proportion of full-time employees who prefer
here are the scores of 16 students on a geography test59 60 61 62 63 75 75 76 76 78 79 80 81 82 88 92notice that the
the department of transportation conducted a study to determine the relation between engine size and fuel consumption
one can calculate the 95 confidence interval for the mean with the population standard deviation known this will give
studies have shown that the frequency with which shoppers browse internet retailers is related to the frequency with
an article reported that for a sample ofnbsp41nbspkitchens with gas cooking appliances monitored during a one-week
a random sample of 115 lightning flashes in a certain region resulted in a sample average radar echo duration of 086