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exam scores an exam has a mean of 70 and a standard deviation of 10 what exam score corresponds to a z-score of
driving accidents college student sandy hudson asked a group of college students the total number of traffic accidents
study hours a group of 50 statistics students 25 men and 25 women reported the number of hours per week spent studying
surfing again college students and surfers rex robinson and sandy hudson collected data on the self-reported numbers of
eating out again college student jacqueline loya asked 50 employed students how many times they went out to eat last
population increase data were recorded for each of the egyptian districts the district its population in 1996 its
population densitydata were recorded for each of the egyptian districts the district its population in 2006 its area in
the standard deviation of set a is larger but the interquartile range of set b is larger report both standard
head circumference example 16 following are head circumferences in centimeters for some men and women in a statistics
ba percentagethe data show the percentage of residents with bachelors degrees in the 50 states and washington dcmake a
passing the barexam the dotplot shows the distribution of passing rates for the bar exam at 185 law schools in the
exam scoresthe five-number summary for a distribution of final exam scores is40788090100explain why it is not possible
exam scoresthe five-number summary for a distribution of final exam scores is60788090100is it possible to draw a
death row south the table shows the numbers of capital prisoners prisoners on death row in 2013 in the southern us
death row west the table shows the numbers of capital prisoners prisoners on death row in 2013 in the western us
heights of sons and dadsthe data at this texts website give the heights of 18 male college students and their fathers
final exam gradesthe data that follow are final exam grades for two sections of statistics students at a community
speeding tickets college students diane glover and esmeralda olguin asked 25 men and 25 women how many speeding tickets
marathon timesthe histogram of marathon times includes data for men and women and also for both an olympic marathon and
heights the graph shows the heights for a large group of adults describe the distribution and explain what might cause
ideal family in 2012 the general social survey asked respondents how many children they felt would be in an ideal
soda consumption a statcrunch survey asked people about their consumption of soda as a percentage of liquid intake the
holiday spending a statcrunch survey asked people how much money they spent for gifts during the holidayscompare the
heightsa state an approximate value for the mean height by looking at the graphb here is a proposed method for finding
the means are the same but the standard deviation of one of the sets is larger than that of the other report the mean