DATABASE FUNDAMENTALS
TYPES OF DATA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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nominal, ordinal, interval, and ratio
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qualitative and quantitative (continuous & discrete)
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descriptive and inferential
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parameter and statistic
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Detailed explanation-1: -In a nutshell, descriptive statistics focus on describing the visible characteristics of a dataset (a population or sample). Meanwhile, inferential statistics focus on making predictions or generalizations about a larger dataset, based on a sample of those data.
Detailed explanation-2: -The two major areas of statistics are known as descriptive statistics, which describes the properties of sample and population data, and inferential statistics, which uses those properties to test hypotheses and draw conclusions. Descriptive statistics include mean (average), variance, skewness, and kurtosis.
Detailed explanation-3: -There are three real branches of statistics: data collection, descriptive statistics and inferential statistics.
Detailed explanation-4: -What’s the difference between descriptive and inferential statistics? Descriptive statistics summarize the characteristics of a data set. Inferential statistics allow you to test a hypothesis or assess whether your data is generalizable to the broader population.
Detailed explanation-5: -When analysing data, such as the marks achieved by 100 students for a piece of coursework, it is possible to use both descriptive and inferential statistics in your analysis of their marks.