Students in California are required to pass an exit exam in order to graduate from high school. The pass rate for San Luis Obispo High School has been ris- ing, as have the rates for San Luis Obispo County and the state of California (San Luis Obispo Tribune, Au- gust 17, 2004). The percentage of students who passed the test was as follows:
|
Year
|
District
|
Pass Rate
|
|
2002
|
San Luis Obispo High School
|
66%
|
|
2003
|
|
72%
|
|
2004
|
|
93%
|
|
2002
|
San Luis Obispo County
|
62%
|
|
2003
|
|
57%
|
|
2004
|
|
85%
|
|
2002
|
State of California
|
32%
|
|
2003
|
|
43%
|
2004 74%
a. Construct a comparative bar chart that allows the change in the pass rate for each group to be compared.
Bold exercises answered in back Data set available online Video Solution available
b. Is the change the same for each group? Comment on any difference observed.