My Statistic Academic Poster

 


The definition of Statistics, including the two branches and Measures of Center is all from Statistics with Technology by Dr. Kozak

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20250303 What is Statistics? Introduction

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1: Statistical Basics What is Statistics?  Statistics  is the study of how to collect, organize, analyze, and interpret data collected from a group. (Kozak, 2021) Terms: source :  https://stats.libretexts.org/Bookshelves/Introductory_Statistics/Statistics_with_Technology ) Many find Population and Sample confusing, in order to remember the difference sample is simply just the subset from population. Population – set of all values of the variable for the entire group of individuals. Sample – a subset from the population. It looks just like the population, but contains less data Image from:  https://miro.medium.com/v2/resize:fit:1400/1*83WLnE2QTeOHSjbPJDVKfw.png Image from (click here):  1.1: What is Statistics? - Statistics LibreTexts   I tried to answer the practice questions: Suppose you want to know how Arizona workers age 16 or older travel to work. To estimate the percentage of people who use the different modes of travel, you take a sa...
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20250526 10.1: Regression

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 All Data are from: Statistics with Technology Alcohol Content Calories in 12 oz 4.70% 163 6.70% 215 8.10% 222 0.40% 70 4.15% 104 5.10% 162 5.00% 158 5.00% 155 4.70% 158 6.20% 195 Customize step by step Click customize, then click series Trendline Label should be show equation Show R^2 This graph is made through google sheet' here's the file: Google Sheet Simulation tool:  https://phet.colorado.edu/sims/html/curve-fitting/latest/curve-fitting_all.html https://phet.colorado.edu/en/simulations/least-squares-regression Line regression tool: https://www.statskingdom.com/linear-regression-calculator.html For tutorials and more information: One Dollar Youtube Channel 20250526 Live 1 20250526 Live 2 20250526 Live 3
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20250310 Graphical Descriptions (Using Google Sheet/Excel)

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QUALITATIVE DATA Example 2.1: Data are from Statistic With Technology, Dr. Kozak  https://stats.libretexts.org/Bookshelves/Introductory_Statistics/Statistics_with_Technology_2e_(Kozak)/02%3A_Graphical_Descriptions_of_Data/2.01%3A_Qualitative_Data One Dollar teaches us how to use Google Sheets/Excel to get the given's Relative Frequency. First, copy the provided data and paste it into the Google spreadsheet. Then, add another column, namely "Relative Frequency," next to the Frequency. See the steps below. Note: Letters and Numbers depends on the column and row of the data you want to calculate Category Frequency Relative Frequency (sum=1) Ford 5 0.1 Chevy 12 0.24 Honda 6 0.12 Toyota 12 0.24 Nissan 10 0.2 Other 5 0.1 Total 50 1 This image shows the result after I did the given instructions.  However, these data samples are from the textbook "Statistic with Technology" by Kozak. Reference:  2.1: Qualitative Data - Statistics LibreTexts Example  2.1.2: D...
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