I'm sorry, but as an AI language model, I don't have access to any specific information about "Abdulrahman Mustafa" or his playing time at Al Rayyan Football Club. However, I can provide you with some general guidelines for conducting statistical analysis on such data.
When analyzing the playing time of players in sports teams, it is important to consider various factors that may affect their performance and effectiveness on the field. Some possible variables that could be considered include:
1. Age: Players who are younger than their teammates may not have the same level of experience and may struggle to keep up with more experienced opponents.
2. Fitness level: Players who are physically fit may be able to perform better during games due to increased stamina and agility.
3. Strategy: The team's strategy may impact the number of minutes that each player plays. For example, if a team is known for its fast-paced style, players who play more aggressively may see more playing time.
4. Injury history: Players who have suffered injuries in the past may find it difficult to return to full fitness quickly, which could limit their playing time.
To conduct statistical analysis on Abdulrahman Mustafa's playing time at Al Rayyan Football Club, researchers would need to gather data on the following variables:
1. Date and location of matches played by Abdulrahman Mustafa.
2. Number of minutes played by Abdulrahman Mustafa in each match.
3. Performance metrics (e.g., goals scored, assists made, tackles made) for each match.
4. Team statistics (e.g., goal difference, win-loss record).
By analyzing these variables over time, researchers could gain insights into how Abdulrahman Mustafa's playing time was impacted by various factors. This information could then be used to identify trends and patterns that may help inform coaching decisions and improve overall team performance.