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Remember that a resistant statistic is a numerical summary whose value is not unduly influenced by an outlier of any magnitude. Is the standard deviation a resistant statistic?
Justify your answer by giving an example of a small dataset, and then adding a very large outlier and noting how the standard deviation is affected.
What is the probability that a single student, randomly chosen from those taking the ACT, scores 21 or higher? What is the probability that the mean score x of a SRS of 50 students is 21 or higher?
Calculate the standard deviation of the ages of the uninsured senior citizens correct to the nearest hundredth of a year.
the following partial minitab printout of a regression analysis where x is the length in centimeters and y is the
For this Assignment, you will continue your practice as a critical consumer of research. You will critically evaluate a scholarly article related to one-way ANOVA testing.
in a recent study researchers followed 104000 u.s. veterans who had served in the armed forces and a comparison group
Given P(x), where P describes the kth Lagrange polynomial that interpolates f at k+ 1 points:
in a national survey of 2000 adults 1560 responded that lack of respect and courtesy in american society is a serious
What is the probability that the mean price for a sample of 30 service stations is within $.03 of the population mean?
find the minimum shape size n needed to estimate mu find the given values of c s and ec0.98 s9.7 e1assume that the
Four cards are selected, one at a time, from a standard deck of 52 cards. Let x represent the number of aces drawn in a set of 4 cards.
Evaluate your histograms for any outliers in your data. Based on your evaluation of outliers, you may trim no more than 1% of the data contained in the data set. This must be done symmetrically (i.e., trimming no more than 0.5% off the top and 0.5..
a national football league coach is permitted to initiate 2 challenges to referee calls per game outside the final 2
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