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in a fast-food restaurant its desirable to have seats that are comfortable but not too comfortable patrons sitting at a
a consumer magazine is evaluating five brands of trash compactors for their effectiveness in reducing the volume of
the manager of a photography studio has carried out an experiment to compare the attractiveness of four different
prior to taking an aerobics class each of 12 healthclub members is asked to rate the instructor on a scale in which 3
selecting a position that ensures that you will not be conspicuous stand or park near a local convenience store and
an interviewer has been told to randomly select respondents and to include x whether or not they are a college graduate
during her interview with an urban firm betty was told by the personnel director that she would typically require no
compare the friedman test with the randomized block anova in terms of a their respective null and alternative
the randomized block design has been used in comparing the effectiveness of three treatments with the data as shown at
the following salary figures have been reported for the mayor police chief and fire chief for a sample of us
an extermination firm is testing several brands of pesticide spray all of which claim to be effective against ants
to evaluate whether three of its slopes should be classified as equally difficult a ski resort sets up an experiment in
what role does the binomial distribution play in the sign test and when is it permissible to use the normal
whether testing a single sample or comparing paired samples how should one go about deciding whether to use the sign
from 1789 through 1870 the last names of associate justices appointed to the us supreme court were as coded below last
franchise headquarters claims it randomly selected the local franchises that received surprise visits during the past
a random sample of recent lsat law school admission test scores submitted by applicants to a universitys law program
product testers for a radio manufacturer routinely select a sample of units from the production line and test circuit
a local supermarket has contracted for floor cleaning and polishing to be done each evening by a small work crew using
what is the spearman coefficient of rank correlation what range of values can it have and how is its numerical value
tom frederick is the computer support manager for a large company whose employees have been complaining about spam
a researcher studying the purchase habits of eight married couples has found they spent the amounts shown below for
a new procedure is being tested for the assembly of electronic circuit boards for each of five employees the time
differentiate between the wilcoxon signed rank test and the wilcoxon rank sum test and explain the circumstances under
what is the parametric counterpart to the wilcoxon rank sum test compare the assumptions involved in using the