John Rhodes, Math Teacher at Senioritis.io

John Rhodes
July 29, 2023
Statistics

Comparing Exam Scores | ACT vs. SAT – Determining Your Performance Relative to Mean and Standard Deviation

There are two college entrance exams that are often taken by students, the ACT and the SAT. The composite score on the ACT is approximately normally distributed...

John Rhodes
July 29, 2023
Statistics

Observational Study | Association between TV in Bedroom and Higher BMI in Adolescents, with Potential Lurking Variables

Researchers wanted to determine if having a television (TV) in the bedroom is associated with obesity. The researchers administered a questionnaire to 350 twelve-year-old adolescents. After analyzing...

John Rhodes
July 29, 2023
Statistics

Analyzing Histogram Characteristics to Determine If a Normal Distribution Model Fits the Data

A study was conducted that resulted in the following relative frequency histogram. Determine whether or not the histogram indicates that a normal distribution could be used as...

John Rhodes
July 29, 2023
Statistics

Calculating the Probability of Observing Values Above the Mean (μ) in a Normal Distribution

The area under the normal curve to the right of μ equals The area under the normal curve to the right of μ refers to the probability...

John Rhodes
July 29, 2023
Statistics

Confidence Interval Analysis on Adults’ Perception of Low Wages during Economic Uncertainty | A Statistical Interpretation

In a survey of 2085 adults in a certain country conducted during a period of economic uncertainty, 57% thought that wages paid to workers in industry were...

John Rhodes
July 29, 2023
Geometry

The Role of Conjectures in Mathematics | Inspiring Research, Guiding Discoveries

conjecture A conjecture in mathematics is a statement or proposition that is believed to be true, although it has not been formally proven or disproven A conjecture...

John Rhodes
July 29, 2023
Geometry

Exploring Perpendicular Lines | Definition, Slopes, and Applications in Mathematics

perpendicular lines Perpendicular lines are two lines that intersect each other at a right angle (90 degrees) Perpendicular lines are two lines that intersect each other at...

John Rhodes
July 29, 2023
Geometry

The Role of Counterexamples in Mathematics | Disproving Statements and Refining Conjectures

counterexample A counterexample, in mathematics, is an example that disproves a statement or conjecture A counterexample, in mathematics, is an example that disproves a statement or conjecture....