Annotation of loncom/html/adm/help/tex/Statistics_Overall_Key.tex, revision 1.2
1.1 matthew 1: \label{Statistics_Key}
2:
1.2 ! www 3: The \textbf{Overall Problem Statistics} page displays the following
1.1 matthew 4: data about the problems currently in the course:
5:
6: \begin{itemize}
7:
8: \item \textbf{#Stdnts}
9: Total number of students attempting the problem.
10:
11: \item \textbf{Tries}
12: Total number of attempts to solve the problem.
13:
14: \item \textbf{Max Tries}
15: Largest number of to solve the problem by a student.
16:
17: \item \textbf{Mean Tries}
18: Average number of tries.
19:
20: \item \textbf{S.D. tries}
21: Standard Deviation of the tries.
22:
23: \item \textbf{Skew Tries}
24: Skewness of the students tries.
25: \[\frac{\sqrt{ \sum{(Xi - Mean)^3} / #Stdnts}}{\sigma^3}\]
26:
27: \item \textbf{DoDiff}
28: Degree of Difficulty of the problem.
29: \[ 1 - \frac{\#YES+\#yes}{Tries} \]
30:
31: \item \textbf{#YES}
32: Number of students who solved the problem correctly.
33:
34: \item \textbf{#yes}
35: Number of students who solved the problem by override.
36:
37: \item \textbf{\%Wrng}
38: Percentage of students who tried to solve the problem but were unable to.
39:
40:
41: \end{itemize}
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