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What type of data would need to be collected to conduct a test and why?

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Q: What type of data would need to be collected to conduct a t test?
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When was the data collected?

We would need to know what data in order to respond to this question.


What type of data would need to be collected to conduct a Z Test and what conditions must be known for the test to be reliable?

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Do data sets need to have means?

No. If the information collected is categoric (qualitative) there will not be a mean.


Why do we need data validation?

In order to conduct a research data validation is very necessary. Without the authentic data validation research is incomplete and worthless.


What do scientists call information collected from observations?

we look it up to avoid doing the work


What are difference between primary and secondary data?

Primary data is data which has been collected by yourself, which is more reliable and up to date. Secondary data has been collected from a secondary source (Other people, business etc.) so it may not be valid or up to date."Primary" and "secondary" are terms used to define data relative to the purpose by which the data were collected originally."Primary data" are data collected for the need at hand."Secondary data" are data that were collected for another reason but is being re-purposed to address the need at hand.When describing the expertise of data analysts, it is not uncommon to distinguish between primary and secondary data analytics. Primary data analytics involves the ability to analyze data for the purpose by which it has been collected. Secondary data analytics involves identifying "secondary data sources" to solve a new problem and then the ability to re-purpose that data.Primary data is a data which is created for the first time and there is no previous source available. Secondary data is a readily available data like data from trade directories,statistics from websites etc. In Dissertation Literature review is done through secondary data which includes the contents such as theories, models, compilation, research findings by some other scholar etc.


What other data do you need to further support your conclusion?

A reliable investigation will allow you to make conclusions that are supported by the data you have collected,and that reflect the findings of other scientists.


What are the different between primary data and secondary data?

Primary data is data which has been collected by yourself, which is more reliable and up to date. Secondary data has been collected from a secondary source (Other people, business etc.) so it may not be valid or up to date."Primary" and "secondary" are terms used to define data relative to the purpose by which the data were collected originally."Primary data" are data collected for the need at hand."Secondary data" are data that were collected for another reason but is being re-purposed to address the need at hand.When describing the expertise of data analysts, it is not uncommon to distinguish between primary and secondary data analytics. Primary data analytics involves the ability to analyze data for the purpose by which it has been collected. Secondary data analytics involves identifying "secondary data sources" to solve a new problem and then the ability to re-purpose that data.Primary data is a data which is created for the first time and there is no previous source available. Secondary data is a readily available data like data from trade directories,statistics from websites etc. In Dissertation Literature review is done through secondary data which includes the contents such as theories, models, compilation, research findings by some other scholar etc.


Is a race ordinal?

You need to clarify the question. You could be talking about the nature of ordinal data in statistics. You could be referring to the demographic of race, or to data that are collected during a competitive race. Make the question clearer and we can attempt an answer.


Why you need to conduct evaluation?

Would you please indicate your area of interest when you resubmit your question.


Why does scientist need equipment and tools?

Scientists need equipment and tools to help them accurately collect and analyze data as well as to safely conduct experiments. Without the right equipment and tools scientists would not be able to accurately interpret and measure data leading to inaccurate research results. Equipment and tools also provide safety for scientists while in the lab and help to ensure the safety of the environment. The types of equipment and tools that scientists need depend on the field of science they are in. For example a biologist may need a microscope magnifying glass and lab equipment to conduct experiments in a lab. An astronomer may need a telescope a computer and data analysis software to observe and analyze planets and stars. A chemist may need safety goggles lab equipment and measuring tools to work safely with hazardous materials.In summary scientists need equipment and tools to accurately collect and analyze data safely conduct experiments and protect their safety and the safety of the environment. The types of equipment and tools needed vary depending on the field of science but all scientists need some type of equipment and tools to successfully conduct their research.


What if you would like to fly to London UK what data you need to enter?

You would need to enter:London, England.simple as that.