The "mean" in statistics is the average of all the observations in a data set; or, mean = (sum of all observations) / (number of observations) Example: I weigh 5 rocks and get the following results:...
descriptive statistics-quantitavely describe the main features of a collection of data. Descriptive statistics are distinguished from inferential.Statistics(or inductive statistics),in that...
The mathematics of the collection, organization, and interpretation of numerical data, especially the analysis of population characteristics by inference from sampling. Read more:...
The mean is the average. It is the sum of the x-values divided by the total number of observations. for example: 1 3 4 5 7 10 12 15 1+3+5+7+10+12+15=57 There are 8 observations here, n=8 So,...