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Q: Can data only be collected using experiments?
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How should data be collected and displayed in the scientific method?

The scientific method does not detail how you do an experiment, only the method used in general terms.


How do you put one line of best fit between 2 data series on an excel scatter graph. i keep finding that i can only get a line of best fit for series 1 data and series 2 data separately. help?

If you want a single best fit to all the data you collected, what difference does it make whether you collected them all at the same time or in two different runs ? Why not just merge the two data series, and call them a single data set.


What is extraneous data?

Extraneous data is that which is not relevant to the specific question or area being considered/analysed.So, for example, let us imagine you had collected data on all the boys and girls in your class at school. Now let us suppose that you wished to analyse all the data on the boys only.As you are now only interested in the data relating to the boys, then the data relating to the girls is extraneous for this purpose.


Why are random samples so important in Statistics?

Statistics is the science of making effective use of numerical data relating to groups of individuals or experiments sampling is an important to statistics because It deals with all aspects of this including not only the collection analysis and interpretation of such data but also the planning of the collection of data -SDOT15DELEON


Difference between binary data and digital data?

Binary data refers to data that is represented using only two possible values, typically 0 and 1. This is the fundamental language of computers, where everything is ultimately represented in binary form. On the other hand, digital data is a broader term that encompasses any data that is stored or transmitted in discrete, non-continuous values. While binary data is a specific type of digital data, digital data can also include other numeral systems like decimal or hexadecimal.