10.33 Organizations interested in making sure that accused persons have a trial of their peers often compare the distribution of jurors by age, education, and other socioeconomic variables. One such study in a large southern county provided the following information on the ages of 1,000 jurors and the age distribution countywide. Age 21–40 41–50 51–60 Over 60 Total Number of jurors 399 231 158 212 1,000 Age % countywide 42.1 22.9 15.7 19.3 100 a. Display the above data using appropriate graphs. b. Is this significant evidence of a difference between the age distribution of jurors and the countywide age distribution? c. Does there appear to be an age bias in the selection of jurors?
10.33 Organizations interested in making sure that accused persons have a trial of their peers often compare the distribution of jurors by age, education, and other socioeconomic variables. One such study in a large southern county provided the following information on the ages of
1,000 jurors and the age distribution countywide.
Age
21–40 41–50 51–60 Over 60 Total
Number of jurors 399 231 158 212 1,000
Age % countywide 42.1 22.9 15.7 19.3 100
a. Display the above data using appropriate graphs.
b. Is this significant evidence of a difference between the age distribution of jurors
and the countywide age distribution?
c. Does there appear to be an age bias in the selection of jurors?

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