Question 1206550
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per-pupil costs (in thousands of dollars) for cyber charter school tuition for school districts 
in three areas are shown. test the claim that there is a difference in means for the three areas, using an appropriate parametric test. 
area 1 6.2 9.3 6.8 b.1 b.7 7.5 
area 2 7.5 8.2 8.5 8.2 7.0 9.3 
area 3 5.8 6.4 5.6 7.1 3.0 3.0 
solution: ss de
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What does the letter "b" mean inside the numerical data, printed in the post ?


Is it a mistake ? result of negligence ?