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the effect of special cause variation is each of the following examples of a special cause most likely to first result
more on updating control chart limits in given exercise control limits for the weight of ground beef were obtained
testing the correlation between salaries and batting averages given table contains the salaries and batting averages of
testing the correlation between debts in given exercise we assessed the significance of the correlation between debt in
when is a permutation test valid you want to test the equality of the means of two populations sketch density curves
comparing repair times in hours verizon uses permutation testing for hundreds of comparisons such as between different
declaring significance suppose that a one-sided permutation test based on 250 permutation resamples resulted in a
is a permutation test valid suppose that a professor wants to compare the effectiveness of two different instruction
bootstrap distribution for the slope beta1 describe carefully how to resample from data on an explanatory variable x
the correlation between debts given figure shows a strong positive relationship between debt in 2007 and debt in 2006
the correlation between bots and spams per day given figure is a scatterplot of the number of spams per day versus the
an xolinenbsp control chart for sandwich orders a sandwich shop owner takes a daily sample of six consecutive sandwich
considering common and special cause variation in given exercise you described a process that you know well what are
what variables to measure based on your description of the process in given exercise suggest specific variables that
describing your process choose a process that you know well preferably from a job you have held if you lack experience
insurance fraud jockos garage has been accused of insurance fraud data on estimates made by jocko and another garage
another way to communicate the result refer to the previous two exercises here is another way to communicate the result
use a ratio for adult gamers versus teen gamers refer to the previous exercise in many settings researchers prefer to
are female personal trainers on average younger a fitness center employs 20 personal trainers here are the ages in
bootstrap confidence interval for the median your software can generate random numbers that have the uniform
compare the variances for sadness and spending refer to the previous example some treatments in randomized experiments
sadness and spending a study of sadness and spending randomized subjects to watch videos designed to produce sad or
bootstrap distribution of the mpg standard deviation computers in some vehicles calculate various quantities related to
bootstrap versus sampling distribution most statistical software includes a function to generate samples from normal
the effect of non-normality the populations in the two previous exercises have the same mean and standard deviation but