题目【题目】In Ontario public schools, report cards for Grades 1 to6 use letter grades(A,B,C,D,R)to show how a studentis performing in the subjects. Report cards for Grades 7and 8 use percentage(%) marks. In Grades 7 and 8 eachrepot card also has the average(平均的) mark for tha...
We also calculated the percentage of the sample achieving the lowest (floor effect) and highest (ceiling effect) possible WOMAC scores. Reliability Controversy exists over the relative merits of test–retest and internal consistency methods of assessing reliability34. In this study, the test–retest ...
Abattoir audit ratings were classified according to the letter grade received from best to poorest as follows: AAA, AA, A, B or C and unrated for abattoirs that had missing data. The price of cattle was obtained from the Ontario Cattlemen's Association market reports for 2001-2007. Prices...