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think of a specific problem of comparing two treatments preferably from your own field how would you organize an
let y be the number of sixes recorded on the throw of three dice findpry 0 pry 1 pry 2 pry 3 pry gt 1 pry lt
possibly meaningful signals have been obtained from outer space the data take the form of the number of pulses y
you are assigned to research program to assess the effectiveness of anticancer drugs in animals and human beings write
each of 21 student athletesfnof grouped into three teams a b and c attempts to successfully toss a basketball through a
given that you have perfom1ed a significance test for a particular delta how would you middotconstruct a 95 confidence
if etaanbsp etab is the 95 confidence interval for delta calculated using paired data always shorter than that using
a civil engineer tested two different types a and b of a special reinforced concrete beam he made nine test beams five
it is claimed that the data prove that stream 2 is cleaner than stream 1 an experimenter asked the following questions
fifteen judges rated two randomly allocated brands of beer a and b according to taste scale 1 to 10 as followsstating
these data were obtained in a comparison of two different methods for determining dissolved oxygen concentration in
the following are smoke readings taken on two different camshaftssuppose your supervisor brings you these data and says
two different designs for a solar energy collector were tested with the following results the measured response was
in a cathode interference resistance experiment with filament voltage constant the plate current was measured on seven
an agricultural engineer obtained the following data on two methods of drying com and asked for statistical
an agricultural engjneer is trying to develop a piece of equipotent for processing a crop immediately after harvesting
given the following data on egg production from 12 hens randomly allocated to two different diets estimate the mean
two species of trees were planted on 20 randomly selected plots 10 for a and 10 for b the average height per plot was
a chemical reaction was studied by making 10 runs with a new supposedly improved method b andmiddot 10 runs with the
an iq test is standardized so that 50 of male students in the general population obtain scores of over 100 among 43
using a table of random numbers police in 3 certain state randomly stopped 100 cars passing along a highway and found
in a plant that makes ball bearings samples are routinely subjected to a stringent crushing test a sampling inspection
the first step that should be taken is as always to plot the data make such a plot for the above example and suggest
what is a reference distribution what are the possibilities and advantages derived from a an external reference set or
why can probabilities calculated on niid assumptions be seriously affected by autocorrelation of