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Annotation of loncom/html/adm/help/tex/Statistics_Overall_Key.tex, revision 1.1

1.1     ! matthew     1: \label{Statistics_Key}
        !             2: 
        !             3: The \textbf{Overall Problem Statistics} page displayes the following 
        !             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}