Skewness measures the degree of symmetry of a distribution. The normal distribution is symmetric and has askewnessof zero. If the distribution of a data set instead has a skewness less than zero, or negative skewness (left-skewness), then the left tail of the distribution is longer than the ...
What is the level of significance for the given data? Explain why do the sum of the residuals to zero. What is the 5-number summary? Explain how you create a box and whisker plot. What is skewness? Explain the concept of variability in the field of statistics. ...
In the graph above, notice that on the far left and right sides of the distribution—the tails—the space below the uniform distribution curve (purple) is thinner than the space below the normal distribution curve (green). This is what is meant by “thin tails.” ...
As highlighted in a number of recent studies synthesizing the relevant literature (Culiberg & Mihelič,2017; Gao & Brink,2017), there is a large number of existing studies that have investigated individual, situational and organizational factors associated with whistleblowing in the private sector a...
In modern statistics the definition of a "consistent" estimator is very technical and it is not the same as the old concept, but the old concept has intuitive appeal. The old concept was that a "consistent" estimator of a population parameter is an estimator whose formula resembles the ...
Background: Depression is frequently seen among pregnant women. This is called antenatal depression (AND). Aim: Our aim was to identify clusters of AND and its core symptoms. Methods: The Patient Health Questionnaire-9 (PHQ-9), Pregnancy-Unique Quantific