20250303 Graphical Descriptions of Data (Qualitative Data)
2: Graphical Descriptions of Data
One Dollar teaches us that there are several ways to answer this qualitative data:
Example 2.1.1
Suppose you have the following data for which type of car students at a college drive?
Ford, Chevy, Honda, Toyota, Toyota, Nissan, Kia, Nissan, Chevy, Toyota, Honda, Chevy, Toyota, Nissan, Ford, Toyota, Nissan, Mercedes, Chevy, Ford, Nissan, Toyota, Nissan, Ford, Chevy, Toyota, Nissan, Honda, Porsche, Hyundai, Chevy, Chevy, Honda, Toyota, Chevy, Ford, Nissan, Toyota, Chevy, Honda, Chevy, Saturn, Toyota, Chevy, Chevy, Nissan, Honda, Toyota, Toyota, Nissan
1. We can use Google Document/Word to highlight per color per car brand to easily count each.
(You can visit his YouTube video to know how exactly he did it.)
Visit by clicking here: https://youtu.be/1N2_kPUt7qo?t=1585
2. By using Google Sheets/Excel to find the Relative Frequency
-Copy the table, then paste it to excel
(Step-by-step instructions are also included in his YouTube video.)
Click here: https://youtu.be/1N2_kPUt7qo?t=1991
What I learned
One Dollar tried to use AI (Gemini and ChatGPT) for assistance solving this problem, however, AI is not accurate. Therefore, we can say that using AI is not always the best way; rather, we should learn skills like using Google documents and Excel.
Textbook:
https://stats.libretexts.org/Bookshelves/Introductory_Statistics/Statistics_with_Technology_2e_(Kozak)/01%3A_Statistical_Basics/1.01%3A_What_is_Statistics
Visit I-Yuan Chiang's Youtube Channel for more detailed discussion.
Tools: (Not for public)