Reliability Analysis of Structures 1 min read
Types of correlation coefficient formulas.
There are several types of correlation coefficient formulas. One of the most commonly used formulas in stats is Pearson’s correlation…
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Correlation Coefficient
Correlation coefficients are used in statistics to measure how strong a relationship is between two variables. There are several types of…
Reliability Analysis of Structures 3 min read
What is Correlation?
Correlation is a term that is a measure of the strength of a linear relationship between two quantitative variables (e.g., height,…
Reliability Analysis of Structures 2 min read
Curve Fitting
Introduction Historians attribute the phrase regression analysis to Sir Francis Galton (1822-1911), a British anthropologist and meteorologist, who used the…
Reliability Analysis of Structures 6 min read
Comparisons of Measures of Dispersion
When data are described by a measure of central tendency (mean, median, or mode), all the scores are summarized by…
Reliability Analysis of Structures 5 min read
Measures of Dispersion
If everything were the same, we would have no need of statistics. But, people’s heights, ages, etc., do vary. We…
Reliability Analysis of Structures 1 min read
Measures of Central Tendency
The term “Average” is vague Average could mean one of four things. The arithmetic mean, the median, midrange, or mode.…
Reliability Analysis of Structures 3 min read
Frequency Polygon
The relevance of presentation of data in the pictorial or graphical form is immense. Frequency polygons give an idea about the shape of the data and…
Reliability Analysis of Structures 3 min read
Graphs and Histogram
What is a histogram? These are a diagrammatic representation of data. The use of tabular data and graphs and charts makes it easy…