John Rhodes, Math Teacher at Senioritis.io

John Rhodes
June 21, 2023
Linear Algebra

Linear Independence: How To Determine If {V1, V2, V3} Is Linearly Independent

{v1, v2, v3} linearly independent if and only if span {v1, v2, v3} is 3D {v1, v2, v3} linearly independent if and only if the only solution...

John Rhodes
June 21, 2023
Statistics

The Null Hypothesis For Hypothesis Testing In Statistics

A statement that a parameter has a certain value, written as H(0) Null hypothesis When conducting hypothesis testing, the null hypothesis (H0) represents the hypothesis of no...

John Rhodes
June 21, 2023
Statistics

A Step-By-Step Guide To Hypothesis Testing In Inferential Statistics

A systematic procedure for deciding whether the results of a research study support a particular theory which applies to a population Hypothesis testing A systematic procedure for...

John Rhodes
June 21, 2023
Statistics

Hypothesis Testing: Comparing Sample Values To Critical Values In T-Tests And Chi-Squared Tests

The value calculated from the sample which is used to perform the test The test statistic The value calculated from the sample which is used to perform...

John Rhodes
June 21, 2023
Statistics

P-Values: Calculating The Evidence Against Null Hypothesis And For Alternative Hypothesis

-The probability that such an extreme test statistic occurs, assuming the null hypothesis is true-Found by comparing the test statistic to values from statistical tables P-value The...

John Rhodes
June 21, 2023
Statistics

Hypothesis Testing: The Significance Of Null Hypothesis And Alternative Hypothesis In Comparing Populations Or Variables

No evidence against the null hypothesis: stick with it What’s the interpretation of a p-value greater than 10% When conducting a hypothesis test, the null hypothesis refers...

John Rhodes
June 21, 2023
Statistics

Hypothesis Testing: Analyzing The Role Of Null Hypothesis And P-Value In Statistical Inference

Slight evidence against H(0), but not enough to reject it What’s the interpretation of a p-value between 5-10% In statistics, the null hypothesis (H(0)) is the default...

John Rhodes
June 21, 2023
Statistics

Hypothesis Testing In Statistics – When To Reject The Null Hypothesis

Moderate evidence against H(0): reject it, and go with H(1) What’s the interpretation of a p-value between 1-5% In the field of statistics, hypotheses are assumptions that...