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the elisa test for the presence of hiv antibodies in blood samples gives the correct result about 997 of the time for
is hand dominance associated with eye dominance have each person in the group check eye dominance by focusing on an
does aspirin really help prevent heart attacks during the 1980s approximately 22000 physicians over the age of 40
the results of this study report that 139 heart attacks developed among the aspirin users and 239 heart attacks
look again at the scatter plot in the scenario the country at point 97 48 is the united states the other 13 countries
1 continue making predictions for the next selection and then checking them against the actual selection for a total of
1 picture a square table for four people with one chair on each side of the square two people come to the table to eat
you are playing a card game in which some of the cards are dealt face up using a standard 52-card bridge deck the
plots and boundariesa construct stem and leaf plots of the mean counts of the teams for each group and combine these
analyzing the resultsa what do the stem and leaf plots of the sample means and standard deviations indicate about the
collecting the data you will be playing a game that involves flicking a nickel across a table using your thumb and
drawing conclusions the goal is to learn something about the process at hand by studying patterns in the time series
the rules of the game have been changed the objective of the game now is to flick the nickel as close as possible to
1 discuss other ways that a composite ranking of the cities could be obtained discuss their advantages and
suppose you wanted to know what proportion of the students at your college are vegetarians how would you construct a
describing the data graphicallya make at least two different plots of the data on string lengthb describe the plots of
describing the data numericallya compute the following numerical summaries of the data mean and median standard
1 making comparisons from your analysis of the two sets of data decide which is the longer string on what basis did you
determining the biasa the instructor will provide you with the correct lengths for each string plot the correct values
select another activity in which the measurements may be affected by bias collect data within the class or outside the
find a printed article using data that are subject to a bias that could have a dra marie effect on the conclusions
testing laboratories such as those that test blood samples or drinking water are quite concerned about keeping their
getting ready look out your window again describe three instances of variability in what you see does the variability
collecting data collect data for one or more of the following as directed by the instructora count the dollar value of
analyzing the data for each of the settings chosen from the list in step 2 follow the instructions provided belowa give