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What is meant by positive and negative zero?
Nothing those numbers don't exist edit: actually it may refer to the variation in a set of data. If, in a set of data, all the numbers are the same any calculations give will have an error of 0. Since the data is usually given in the form of mean plus minus error, it would be written as the number plus minus zero
How do you find he range of a set of data?
Find the smallest and the largest values/numbers. These form the range.
What are data?
factual information, often in the form of facts or figures obtained from experiments or surveys, used as a basis for making calculations or drawing conclusions. Data is basically a collection of numbers with no meaning. That data can then be arranged and interpreted to produce information.
What is categorical data?
Categorical data is the statistical data type consisting of categorical variables or of data that has been converted into that form, for example as grouped data.
When data are collected in original form what is that called?
raw data
