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Data Analysis: Frequency Distribution and Histograms, Cheat Sheet of Business Statistics

Ho Chi Minh City University of Economics (HMCUE)Business Statistics

An introduction to frequency distribution and histograms, including the concepts of stems and leaves, binning, mode, relative frequency, cumulative frequency, and left-skewed and right-skewed distributions. It also discusses outliers and the concept of x and y being on a scatter plot. Exercises for calculating wages and educational levels.

Typology: Cheat Sheet

2021/2022

Uploaded on 12/04/2022

nguyen-le-khanh-van 🇻🇳

5 documents

1 / 3

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Download Data Analysis: Frequency Distribution and Histograms and more Cheat Sheet Business Statistics in PDF only on Docsity! STEM AND LEAF Leaf: số hàng đơn vị (1 digit) Stem:10 digit : chữ số hàng chục Frequency distribution: phân phối tần suất (chia số liệu thành bins, groups, class) Frequency (f) Relative frequency (f/n)-> n:sample size Cumulative: tích lũy (cộng dồn) --> cộng từ giá trị nhỏ nhất đến giá trị đang xét Mode là giá trị có tần suất cao nhất HISTOGRAM bin mode Mid CHAP 3 Saturday, November 5, 2022 9:54 AM New Section 1 Page 1 HISTOGRAM LEFT-SKEWED = Lề trái là khi đuôi bên trái dài hơn so với bên phải RIGHT-SKEWED OUTLIERS: observation lie out of the range of majority of other observation (xuất hiện dị biệt) New Section 1 Page 2

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