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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.
Example of pictograph?
Definition of Pictograph * Pictograph is a way of representing statistical data using symbolic figures to match the frequencies of different kinds of data.
What does extraneous mean What must you do to determine whether a solution is an extraneous solution?
Extraneous means extra and unnecessary. Extraneous solutions are values that can arise from the process of solving the equation but do not in fact satisfy the initial equation. These solutions occur most often when not all parts of the process of solving are not completely reversible - for example, if both sides of the equation are squared at some point.
How do you calculate the lower quartlie of a data set?
By using the basic definition of a quartile. Sort the data, count how many there are in total, then count off one quarter of that. For example, if you have 80 data items, count off the first 20 items (after sorting).
What is the definition for categorical data?
a type of data that does not use numbers but uses nouns.
