Basic StatisticsBeginner8 min
Basic Probability: Calculating Chances in Everyday Life
Probability quantifies uncertainty. Learn to calculate chances with dice, cards and everyday situations using the fundamental concepts.
Basic Statistics
Averages, charts, distributions and probability to confidently interpret data.
Articles in path
8
Slug
estatistica-basica
Category
Basic Statistics
Available contents
View libraryBasic StatisticsBeginner8 min
Charts and Tables: Visualizing Data Clearly
Charts and tables turn numbers into understandable images. Learn how to choose the right type of visualization and how to avoid visual pitfalls.
Basic StatisticsIntermediate9 min
Correlation: Discovering Relationships Between Variables
Ice cream sales and drownings are positively correlated. Correlation measures the strength of linear relationships, but beware โ it never proves cause and effect.
Basic StatisticsBeginner8 min
Mean, Mode and Median: How to Summarize a Data Set
Learn to summarize data sets with mean, mode and median โ and discover when each measure tells the most truthful story about your data.
Basic StatisticsAdvanced10 min
Normal Distribution: The Statistical Bell Curve and the 68-95-99.7 Rule
The normal distribution is the most important in statistics. It describes heights, measurement errors and test scores โ and has powerful mathematical properties.
Basic StatisticsIntermediate9 min
Sampling: How to Study a Population Without Examining Everyone
Election polls interview 2,000 people to represent 150 million. Learn how sampling makes this possible and where distortions can arise.
Basic StatisticsAdvanced10 min
Simple Linear Regression: Predicting Values with a Line
Linear regression uses a line to predict values. Learn the equation ลท = a + bx, what the slope and Rยฒ mean, with practical examples.
Basic StatisticsIntermediate9 min
Standard Deviation: Measuring the Spread of Data
Two data sets can have the same mean and tell completely different stories. Standard deviation reveals how far data stray from the center.