Question

how to learn ststistics mean formula

Answer 1

Answer:

Mean or average, in theory, is the sum of all the elements of a set divided by the number of elements in the set. Mean could be treated as a collaborative property of the whole set of values. You can get a fairly good idea about the whole set of data by calculating its mean. Thus the formula for mean will become.

Mean = Sum of all the set elements / Number of elements

The importance of mean lies in its ability to summarize the whole dataset with a single value. For example, you may want to compare the average household income of County 1 to County 2. To compare the household incomes between the two counties you cannot compare each and every household income of one county to the other. The best solution would be to find the average household incomes of the two counties and then compare them with each other. By comparing the two means, we may make an assumption as to which county is more prosperous than the other.

Step-by-step explanation:

Answer 2

Statistical formulas are used to calculate values related to statistical concepts or analyses. Here we will discuss commonformulas and what they stand for. PopulationMean. The term population mean, which is the average score of the population on a given variable, is represented by: μ = ( Σ Xi ) / N.