Statistics | Senioritis

John Rhodes
June 21, 2023
Statistics

Mastering Variability In Statistics: Importance, Measurement Techniques, And Impact On Data Analysis

Variability describes how spread out the values of the sample statistic are when we take many samples. Small bias )or no bias) and small variability = a...

John Rhodes
June 21, 2023
Statistics

Mastering The Fundamentals: Variables In Computer Programming

Variable A symbol, usually a letter, that stands in for an unknown value. In computer programming, a variable is a symbolic name given to a specific memory...

John Rhodes
June 21, 2023
Statistics

How To Create And Interpret Histograms For Data Analysis: A Comprehensive Guide

Histogram Special type of bar graph where the data are grouped in intervals. The frequency is indicated by the height of the bar. A histogram is a...

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...