How To Calculate Mean, Median, and Mode in R A measure of central tendency, also known as measures of center […]
Category: Basic Statistics
Basic Statistics
Probability Notation
Probability Notation Notation Meaning ∅ empty set – impossible event
Random Variable
Random Variable Represents all possibilities numeric value from a random experiment.Goal : random variable is a step in statistics to […]
Population and Sample
[latexpage]Population : The set of all observation of interest. A population is any large collection of objects or individuals, such as Americans, […]
Parameter and Statistic
Parameter is a numerical observation describing some characteristic of population.Statistic is a numerical observation describing some characteristic of a sample. […]
Variance
The definition of variance is the sum of squares of deviations of the set of numbers from the mean value. […]
Measures of Center
[latexpage]The measures of center are: Mean, Median, Mode, Midrange Mean example : calculate the Mean for this data 1,3,5,6,8,10\[\bar{x}=\frac{\sum{x}}{n}=\frac{1+3+5+6+8+10}{6}=5,5\] Advantages […]
Set Operations
[latexpage]COMPLEMENT of set A in the universal set Ω is \(A^c\) = {x| x ∉ A} INTERSECTION of sets A […]
The Probability
In everyday life, you often having to make decisions when you are unsure with the results. Should you invest money […]