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apply the dependent-samples t-test to the data in given exercise is the conclusion consistent with the one reached in
1 what is the purpose of two-way analysis of variance2 what assumptions are required in using the twoway anova3 why are
for a randomized block experiment having three treatments and three blocks the results include the following sum of
a randomized block design has five different age groups as blocks and members of each block have been randomly assigned
in tests of a speed-reading course it is found that 10 subjects increased their reading speed by an average of 200
a pharmaceutical manufacturer has come up with a new drug intended to provide greater headache relief than the old
an internal revenue service manager is comparing the results of recent taxpayer interviews conducted by two auditors of
a motel manager concerned with customer theft of towels decided that the theft rate might be reduced by changing from
in an experiment comparing a new long-distance golf ball with the conventional design each of 20 golfers hits one drive
observing a sample of 35 morning customers at a convenience store a researcher finds their average stay in the store is
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 with
a sample of 25 production employees has been tested twice on a standard test of manual dexterity the average change in
a study has been carried out to compare the united way contributions made by clerical workers from three local
a one-way anova has been conducted for an experiment in which there are three treatments and each treatment group
1 in using anova to compare the means of several samples what value would be expected for the calculated f-statistic if
on snow-covered roads winter tires enable a car to stop in a shorter distance than if summer tires were installedin
1 what is meant by a designed experiment2 a factor level is the same as a treatment is this statement always true if
1 what is necessary for an experiment to be balanced2 explain the basic role that between-sample variation and
a university president collects data showing the number of absences over the past academic year for a random sample of
twenty accounting students are randomly assigned to two different sections of an intermediate accounting class each
from each of four suppliers a quality-control technician collects a random sample of 10 rivets then measures the number
for the experiment described in given exercise identify the dependent and independent variables indicate whether each