John Rhodes, Math Teacher at Senioritis.io

John Rhodes
June 21, 2023
Statistics

Understanding the Mean and Standard Deviation in Normal Distribution for Accurate Data Descriptions

If the distribution of the data is approximately normal, what should you use to describe the center and spread? Mean and SD If the distribution of the...

John Rhodes
June 21, 2023
Statistics

Why Association and Correlation Don’t Imply Causation: A Guide for Accurate Inferences in Math

Association and/or correlation DOES NOT mean ___________ Causation Association and/or correlation DOES NOT mean causation. This means that just because two variables are associated or correlated with...

John Rhodes
June 21, 2023
Statistics

Visualizing Math Data: Explore Bar Graphs, Pie Charts, Stacked Bar Graphs and Treemaps

4 graphs/charts that are used for CATEGORICAL data Circle graph, bar graph, frequency table, contingency table 1. Bar Graphs: This type of graph is commonly used to...

John Rhodes
June 21, 2023
Calculus

Understanding Inverse Functions: Properties and Notation Explained

Two functions f and g are inverses if they satisfy: f(g(x)) = x and g(f(x)) = x If two functions f and g are inverses, then the...

John Rhodes
June 21, 2023
Calculus

Understanding Inverse Functions: Domain and Range Relationships in Mathematics

Domain and range of inverse functions Domain of f = Range of f^-1;Range of f = Domain of f^-1 In mathematics, the inverse function is a function...

John Rhodes
June 21, 2023
Calculus

Understanding Inverse Functions in Math: Not All Functions are Invertible.

Does every function have an inverse function? NO No, not every function has an inverse function. A function has an inverse if and only if each output...

John Rhodes
June 21, 2023
Calculus

Understanding the Importance and Properties of Invertible Matrices in Linear Algebra

One to one (or invertible) x and y values are not repeated (passes the vertical and horizontal line test) In linear algebra, a matrix is said to...

John Rhodes
June 21, 2023
Calculus

Master the Vertical Line Test: The Ultimate Guide to Identifying Math Functions on Graphs

What does the vertical line test tell you? If the regular function, f, is a function or not. The vertical line test is a method used to...