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the speeds of vehicles in mph passing through a section of highway 75 are recorded for a random sample of 150 vehicles
a random sample was taken of 300 undergraduate students from a university the students in the sample were classied
the following table gives the opinion on collective bargaining by a random sample of 200 employees of a school system
the following data give sat mean scores for math by state for 1989 and 1999 for 20 randomly selected states
1 suppose that we want to evaluate the role of intravenous pulse cyclophosphamide ivcp infusion in the management of
suppose we want to know the effect on driving of a drug for cold and allergy in a study in which the same people were
let x be a random variable representing the time between successive arrivals at a checkout counter in a supermarket the
let x1 xn be a random sample recorded as heads or tails resulting from tossing a coin n times with unknown probability
let x1 xn be a random sample of size n from the geometric distribution for which p is the probability of successa
in the united states sudden infant death syndrome sids is one of the leading causes of postneonatal deaths those
suppose that y is a noise-corrupted observation of a signal s that is y s n where s is independent of n assume that
the following is a random sample taken from the data that represents the time intervals in days between earthquakes
it is known that some brands of peanut butter contains impurities within an acceptable level a test conducted on 12
air pollution in large us cities is monitored to see whether it conforms to requirements set by the environmental
the mileage in thousands for a random sample of 10 rental cars from a large rental companys eet is listed7 13 5 5
a drug is suspected of causing an elevated heart rate in a certain group of high-risk patients twenty patients from
the following data represent the total ozone levels measured in dobson units at randomly selected locations on earth on
in order to compare grocery prices of four different grocery stores on a particular day in november 1999 11 randomly
the following information is obtained from two independent samplessample 11581241081371261411sample
two groups of randomly selected 1-acre plots were treated with two different brands of fertilizer the following data
it is known that some brands of peanut butter contain impurities within an acceptable level a test conducted on
suppose we want to study contaminated sh in a river it is important for the study to know the size of the variance
a drug is suspected of causing an elevated heart rate in a certain group of high-risk patients twenty patients from the