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In our childhood days, we used to be given a drawing and then we had to frame a story around it. I still remember, in one of the exams we were given a picture of a bus and few passengers in it. We were asked to write 150 words on it.

After fifteen minutes of scratching my head, the sentence I wrote: “There is a bus going from Kolkata to Darjeeling with 10 passengers sitting in it. One person is looking through the window and others are sleeping”.

I could not frame any more sentences from it. And I got…


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Linear regression, one of the basic topics for all who wants to learn statistics. When you start speaking with numbers, they speak in terms of some values. We need to talk to numbers the they way they understand. The more you speak with numbers, more information they give you.

In this article we will learn what is linear regression, some basic terms with few graphs.

Few terms:

Independent and dependent variables:

The independent variable is the variable the changes or controls and is assumed to have a direct effect on the dependent variable. …


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In the previous article we focused on some basic stats. In this article we will learn about various curves. We will learn with lots and lots of examples. It is said that of we can visualize things, it’s easy for us to remember.

Let us start with few examples:

1. “The heights of adult women in the India follow, at least approximately, a bell-shaped curve.”. Let’s read this sentence twice and try to understand what this means.

2. What does it mean to say that a boy’s weight is in the 90th percentile for all adult males?

3. Male heights…


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Its very important to know about statistics . May you be a from a finance background, may you be data scientist or a data analyst, life is all about mathematics. As per the wiki definition “Statistics is the discipline that concerns the collection, organization, analysis, interpretation and presentation of data. In applying statistics to a scientific, industrial, or social problem, it is conventional to begin with a statistical population or a statistical model to be studied.”

Today in this article, we will go through the basics of statistics and in the next few articles we can deep dive.

Things covered…

Parmita Biswas

I am an enthusiast data scientist as well as a python developer. I have an overall ten years of industry experience.

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