Overview
Measures of relationship and shape are essential tools in statistics that help us understand how variables interact and the structure of data. By learning about correlation and regression, students can analyze relationships and make predictions based on data. Understanding the shape of data distribu...
Key Terms
Example: A positive correlation means that as one variable increases, the other also tends to increase.
Example: Using regression to predict house prices based on size and location.
Example: Heights of people often follow a normal distribution.
Example: A right-skewed distribution has a longer tail on the right side.
Example: High kurtosis indicates more data in the tails and a sharper peak.
Example: The mean of 2, 3, and 5 is (2+3+5)/3 = 3.33.