To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.
I purchased this for my daughter who is in college and she has a more understanding of the task assignment required to complete with ease. Thank you for the opportunity for we had a difficult time locating a source to purchase since this manual is in high demand.