Husnain Raza Image
Syed Husnain Raza
October 2020

How Story Points help in time estimation and taking better decisions

Board with Sticky notes

A story point is an element of measurement determined and adopted by Scrum teams in order to provide a general estimate needed to complete the task. It is now preferred over traditional man-hours estimation because it eliminates several problems and lets us estimate the date of releasing a new feature or product more easily.

In traditional man-hours,  A person estimates time according to his/ her expertise level to do a task. Let’s say Bob is a senior developer at Enou Labs and he estimates that 10 working hours will be required for payment gateway integration in a project. Keep in mind that Bob is a highly skilled developer who knows how to write code for any logic or requirement a client comes up with. On the other hand, We have a developer AB Martin who is also very good at Coding. He estimates more working hours than Bob because he has to do some R&D because it is his first hands on experience for implementing a Payment Gateway.

Now, what we are lacking here is proper estimation of time and effort because every person in the team is giving a time and effort estimation on the basis of their level of expertise and experience. People generally underestimate obstacles they might face and consider only the best-case scenario.

Story Points solve this problem. It makes a team to sit together and debate on the complexity of a task and the effort required to complete the task. The story points are assigned to a task after mutual understanding and agreement between different team members with different levels of expertise. The main advantage of story points is that they provide the velocity of a team so that time cannot be used as a weapon to play politics and The team produces more quality products. 

Let’s take an example. A project has 200 sps. A team has a history of completing 2 sps per hour. You can now easily estimate the time required to ship the software.

T= total sps/ sps per hour

T = 200 / 2 

T= 100 hours 

Now you can easily calculate the date to ship the project based on your daily official working hours. 

Hence, planning your project and calculating your estimated date of delivery is a lot more easier and precise if we use story points for each task and feature. It also involves the team input collectively, creating no room forpolitics and maintaining a good environment

Husnain Raza Image
Syed Husnain Raza

Husnain is the most vigilant and dutiful project manager at ENOU. He talks about various promising and proven techniques of project and product management. He's our go-to guy for feedback or suggestions for offshore dedicated resource planning and management.

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