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2. A Few Keywords and Definitions for Understanding Statistics – II (contd.)

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 by Dr. Prafulla Dikshit     (6-8 minutes read)      2.6   Types of Data Now that we know something about data and statistics, let’s talk a little about the types of data. There are many different categorizations of data, which we will eventually study. However, at the most basic level, we can see data in terms of the characteristics we are trying to measure through the data. Thus, a broad categorization of the attributes of the population or the sample would give us different types of data. In statistics, there are specific terms for these characteristics. The characteristics of a population denote parameters , whereas the corresponding characteristics of a sample drawn from the given population are called statistics . Ideally, they may be measuring the same - basic attributes or properties, but their values will differ by the source (population or sample) from which the data for the same are drawn. Parameters are numbers that summa...

2. A Few Keywords and Definitions for Understanding Statistics - I

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  -  by Dr. Prafulla Dikshit      (6-8 minutes read)                                                                                                                                                                I n the last blog post, we talked about the link...

1. Statistics Overview

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 Let’s Learn Stats!  - by Dr. Prafulla Dikshit 6-8 minutes read 1.      Statistics Overview Before even getting to know statistics, it is critical to get a basic understanding of research. Research is a set of concepts, principles, and methods which facilitates science and scientific inquiry. The Scientific field itself may be classified into hard (e.g. Physics, Chemistry, Biology, or Mathematics) and soft (Psychology, Sociology, Anthropology, Management, or political science), science subjects. While research in itself is a big topic, it is primarily of two types – namely 1) Qualitative and 2) Quantitative. Research and its methods may also vary according to the domain or subjects. 1.1   Importance of statistics and why we even need statistics The purpose of statistics is to enable and facilitate research findings and decisions. It is interesting to note that statistics is all around us, and if we pay attention, we may often encounter statis...