moodleStats: Analysis of Moodle Quiz Report

#' Moodle Grades Report
#'
#' A simulated data frame of [Moodle Grades Report](https://docs.moodle.org/311/en/Quiz_reports)
#'
#' @format A data frame with 461 rows and 19 variables:
#' \describe{
#'   \item{Surname}{Student Surname (simulated)}
#'   \item{First name}{Student Firstname (simulated)}
#'   \item{Institution}{Student Institution (leaves as `NA`)}
#'   \item{Department}{Student Department (leaves as `NA`)}
#'   \item{Email address}{Student Email (simulated)}
#'   \item{State}{State of the quiz, one of "Finished" or "In progress"}
#'   \item{Started on}{Quiz started time}
#'   \item{Completed}{Quiz submitted time}
#'   \item{Time taken}{Time duration of doing quiz}
#'   \item{Grade/9.00}{Quiz Score of each student (max setting is 9.00)}
#'   \item{Q. 1 /1.00}{Score of Question 1}
#'   \item{Q. 2 /1.00}{Score of Question 2}
#'   \item{Q. 3 /1.00}{Score of Question 3}
#'   \item{Q. 4 /1.00}{Score of Question 4}
#'   \item{Q. 5 /1.00}{Score of Question 5}
#'   \item{Q. 6 /1.00}{Score of Question 6}
#'   \item{Q. 7 /1.00}{Score of Question 7}
#'   \item{Q. 8 /1.00}{Score of Question 8}
#'   \item{Q. 9 /1.00}{Score of Question 9}
#' }
#' @source \url{https://docs.moodle.org/311/en/Quiz_reports}
"grades_df"