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Questions tagged [estimation]

For questions about the estimation of the project's parameters, such as time or cost.

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1answer
80 views

Scrum task estimation methodologies

I want to know about tasks analysis and estimation methods that can be used in a Scrum process to make task estimations for a sprint. Deciding whether a story(task) is small or large requires some ...
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2answers
55 views

Should we estimate business users' availability for an agile project?

I recently submitted my project estimations for peer review and I have been advised that we need to estimate the business users' availabilities that will be required to complete each Sprint. I was ...
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3answers
66 views

When is user stories estimation supposed to take place?

I would like to know when the estimates are supposed to be produced. Last time I was part of a Scrum team, I think we were providing initial estimates (that would then be quickly reviewed and ...
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0answers
35 views

How to calculate earned value (EV) in this example?

You are managing a project with a total planned budget of $100,000. To date, you have actually spent $41,000. When you look at all the activities you have completed to date, you see that you ...
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1answer
67 views

How to implement TFB / NFC / 1 (Sprint) estimation technique?

Reading some old posts like this one, I noticed that the TFB / NFC / 1 (Sprint) estimation technique could be useful for teams moving towards agility. Happens that I failed to find over the internet ...
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1answer
68 views

Lean Kanban without estimates or time logging

I work in academia (research). Tasks are varied and almost always involve delving into topics that produce more tasks when you are more informed. A pull system seems appropriate rather than an ...
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2answers
92 views

How to estimate a Research and Development project?

Our software team has been doing a lot of R&D work to improve the performance of our product. Of course, the management team would like to know how long it's going to take to improve the ...
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3answers
137 views

Do bugs from previous Sprints need to be estimated?

For example: in Sprint 2, on story, A Tester raises 4 bugs. 2 bugs got fixed in the same Sprint. The remaining 2 were pushed to the Product Backlog. At Sprint 6, we are picking those 2 bugs of story A ...
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4answers
814 views

Story Points flaw?

Forgive me f this has been asked before, I read some similar questions (linked below), but didn't find the answer I was looking for. Our team is fairly new to them and trying to figure out how to ...
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4answers
4k views

Task estimation for PMs who are not developers

While working Agile, how can a PM estimate a task when he/she is not a developer?
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2answers
374 views

Adding test cases to user stories (Backlog items) before the sizing session

Scenario: I was asked by management if it is a good idea to add test cases to user stories before the sizing session. This will involve investigating the item, writing test cases, speaking to ...
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4answers
156 views

We work with fixed scope, price and time - why should we use Story points?

We deliver projects in fixed price, fixed time and fixed scope environment. We have a contract that specify those, specifications of features. Recently, an agile couch was trying to convince me to ...
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1answer
61 views

How to treat users stories which were almost completed at the previous sprint? [duplicate]

How to treat users stories which were almost completed at previous sprint but didn't meet Definition of Done due to testers were late for some reason. Suppose one of those stories was 5 story points, ...
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3answers
67 views

How to structure estimation requests when there is a middle-man

We have a long term project, call it Project A. Our direct client (DC) is an organization between us and the Product Owner (PO). Every now and then we're being asked for estimates. The problem is ...
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6answers
220 views

What should a scrum team do if they complete work earlier than expected?

Our development team estimates that they can complete 30 story points in the current iteration. Partway through the sprint they realize that they will complete 50 story points at their current rate. ...
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3answers
210 views

Agile user story's task estimation

I have some confusion regarding the concept of a user story's task's estimation (effort estimate) using hours. What is the actual purpose of estimating effort in hours? In addition to that, let's ...
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4answers
392 views

How to avoid the planning fallacy?

The planning fallacy appears especially frequently when estimating tasks in software development. However agile estimation methods like planning poker etc. don't seem to be designed to avoid this ...
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2answers
319 views

How to handle large R&D projects using Scrum (or any other agile framework)

In addition to our regular software development tasks we have some large R&D tasks which we find difficult to fit into our scrum framework. The main issue is that there is absolutely no user ...
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2answers
625 views

Is it possible to remove Stories during a Sprint in Scrum?

Scenario In our organization, we use velocity to forecast the amount of possible work in a Sprint. Sometimes, based on the Team's average velocity, we add extra features not related to the Sprint ...
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2answers
81 views

How to negotiate a software proposal?

My company (western Europe) needs to outsource a project, and I received an offer from a eastern Europe software company. The proposal consists of a main part and an optional part. The work is ...
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6answers
208 views

Is it fine to correct an estimation of a story during execution?

During execution of sprint, should team allowed to change estimation of a story in following scenarios. During execution When a story is finished Re-estimate in absence of Product Owner(PO)
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2answers
366 views

How to schedule back and front-end developers based on story points?

We are used to create multiple sub-tasks for each user story and provide each sub-task with an estimate in hours and assignee (back or front-end). With the following outcome: Total estimated time ...
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4answers
492 views

How to break down an 8 point story into smaller stories in Scrum?

My team and I are struggling with breaking down a user story that we have estimated to be 8 points. The user story is : "A user can sign up to the app using a registration form so that he is ...
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2answers
127 views

Are there techniques for gamification of hours estimation?

Our team breaks down user stories in sub-tasks, then estimate their sizes in hours using the planning poker technique. The numbers we use are 2, 4, 6, 8, 12, 16, 24, 32 and it goes just like story ...
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3answers
87 views

How much time should be given for investigating bugs/user stories for a sizing session

How much time should a developer spend on investigating bugs/user stories for sizing in a sprint? Currently we have 2 sizing sessions and a developer has time (time-boxed at 5min) to investigate and ...
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2answers
61 views

How to set quarterly goals for an unknown amount of work?

My team is working on improving performance for our web application. We have a general idea that we want to: Lower the number of "bad" API calls by focusing on driving down the number of requests ...
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3answers
110 views

Is the product owner responsible to make long-term estimations about PBI in Scrum?

We know in Scrum, the responsible for make estimations is solely responsibility of the development team, but in long term planning, for example a release planning, we'd to have some kind of estimation ...
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1answer
82 views

Estimating Fixed Price Project Cost Payments via Monthly Milestones

I have spent the last few days searching for an answer on how to use MS Project (2010 in my case) to estimate a project's cost via milestones that are split along a long program (2.5 years). The ...
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4answers
130 views

What is the term for actual delivery time will be varied by 4 times from estimation?

I remember I once read in Wikipedia about a law stating that the actual delivering time will always be 4 times less to 4 times more from the estimated time, even when you aware that law and know every ...
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2answers
73 views

What type of estimation is applicable if work items can't be similarly sized because they will violate MMF

As per Kanban, estimations are considered as waste but from the business perspective we need estimation and there is no way to keep features similarly sized. S, M, L sizing does not work as well ...
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4answers
71 views

how to estimate multiple stories with less complexity?

We want to track user activity on this screen (attached image) i.e. close button click (top-right) User's tap on textbox (Type your city) User's click on Detect my location If we follow INVEST ...
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2answers
95 views

What techniques do you use to establish scope in agile

More than communications skills, lean techniques to discard useless features with no value, more than ask "what do you want?" or "is there anything else?" to the customer. Reading the book Agile ...
2
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4answers
92 views

Under what circumstances should a software vendor be allowed to increase charges due to unforeseen complexity?

Something that occurs quite often in outsourced software projects is the vendor underestimates the complexity or learning curve associated with an agreed-upon statement of work, and wants to increase ...
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4answers
128 views

Handle stories which can not be estimated

Do scrum have a method for handling tasks which can not be estimated in any meaningful way? I'm going to give an example we faced recently. We sell some hardware devices and recently found out that ...
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2answers
73 views

Product backlog items must be estimated in story points?

I have read some common "good practices" out there. Does scrum specify the metrics or the team must determine what and how to use metrics, processes, etc. to the benefit of the product?
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1answer
196 views

Using the Stacey matrix to capture agile metrics

I recently encountered the Stacey matrix in an answer by Stephan Weinhold. After looking at the linked image provided & doing a bit more reading that describes it as a way to characterize ...
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4answers
98 views

Is it possible to control a project without start date and durations?

In a discussion about the project plan with my team we collected activities, brought them into order and defined end dates. When we came to defining start dates and durations one of the elder team ...
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3answers
71 views

How handle the change in baseline story

We follow Agile Scrum. We had identified a baseline story for story point estimation and used it for many sprints. We had a velocity calculated. After sometime, the team found that the baseline is not ...
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5answers
282 views

Is it possible to give accurate estimates and planning without tracking time for tasks?

I work within a small team of developers. We don't track our time so we have no data to work off when we give estimates. Basically, I'm wondering if it's possible to have a successful plan and give ...
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1answer
108 views

Any suitable cost estimation approaches for ETL projects?

I would like to know if there are any suitable estimation approaches for ETL (Extract, Transform, Load) projects. In my case I will be using Logstash for an elastic stack. Since the amount of work (...
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0answers
65 views

Is it possible to display Estimation Points for lanes in Active Sprint in JIRA?

in the attachment you can see JIRA, an active Scrum Board. I've a very simple question, is it possible to have on top of the lane a number representing the Estimated Points that are the sum of that ...
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1answer
133 views

If SAFe must be continuously calibrated and measured in ideal days, why does the framework say recalibration is unnecessary?

TL;DR SAFe says you don't need to recalibrate estimation, but requires estimates and other metrics to be normalized across one or more Agile Release Trains. Context, question rationale, and the ...
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4answers
121 views

Cone of uncertainty - how could we delay commitment to estimates in real life?

I am reading a book from Steve McConnell dealing with software project estimations and I do not understand the following statement (my translation, I got the book in German): An effective ...
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2answers
738 views

A simple estimation accuracy formula that yield always 0-100?

I'm just beginning and despite my search I cannot find any simple formula that would return a number between 0 and 100%, i.e. I do not care whether there was over or underestimation. The simplest ...
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1answer
36 views

A recursive quote/rule about underestimating tasks

There was an interesting quote I read a long time ago that went something like this (It was more like a rule, let's call it the X rule): The X rule: everyone will underestimate the task assigned to ...
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6answers
1k views

Alternatives to estimating in hours/story points

We are looking to change our approach on estimates. Now we estimate in hours/days, but we would like to change this and make our process more flexible. We are working based on Scrum, where stories are ...
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4answers
101 views

How to estimate time for a project needing skills only a new hire has?

I have a little new company that works with robotics, machine vision and natural language processing. But for some projects, we need to write some Android/iOS applications. In our company we don't ...
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6answers
915 views

Velocity of the team

If i have been provided with the information of six sprints having story points like 20,21,22,23,24,25,26 then what should be the velocity of the team ?
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2answers
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Should we create multiple stories for same thing to be replicated at code level?

We have a page with the same content at 2 places. Since we are running with legacy code and due to some previously made bad decisions, we have duplicated the logic twice for the same thing. Both the ...
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3answers
84 views

What could be potential harm of giving points to chores or technical debts?

Recently our team has decided to give points to the chores. They had an argument that: Velocity defines team's capacity to deliver the work and if chores are not counted in velocity it won't reflect ...