quiz-05-histo.txt, cr 13 feb 2015 by rha and ht on pro

scoring: one point for each question (max = 6)

QZ-#05 --- MAX = 6, AVG = 1.5
QZ-TOT --- MAX = 30, AVG = 9.7 (5 or lower = danger)

histogram QZ-#05

6	--- (0)

5	--- (0)

4	**(2)

3	*** (3)

2	******* (7)

1	***** (5)

0	********(8)

end