Return to Statistics_Overall_Key.tex CVS log

Up to [LON-CAPA] / loncom / html / adm / help / tex

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}