The image is a photograph of a page from a textbook discussing hypothesis testing in statistics. The page is predominantly white with black text, but there are also handwritten notes and annotations in blue and black ink. The main subject of the page is statistical theory, specifically hypothesis testing. The printed text is in Chinese and discusses the purpose, basic principles, steps, and types of errors involved in hypothesis testing. There are also English annotations, such as "Null hypothesis," "wrongly reject Ho when Ho is True; usually a," "wrongly fail to reject Ho when Hi is True," and "probability." Another handwritten note refers to "1-β → ability to detect real difference." The page is likely from a personal copy of the textbook, as evidenced by the handwritten notes which are intended to clarify or emphasize certain points. The lighting suggests it was taken indoors, possibly under artificial light, as there are no strong shadows or indications of natural light sources. The setting appears to be a desk or table where someone is studying. The overall tone is academic and studious. No people are visible in the image. in Unknown, Unknown

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Jun 25, 2026

Unknown, Unknown

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The image is a photograph of a page from a textbook discussing hypothesis testing in statistics. The page is predominantly white with black text, but there are also handwritten notes and annotations in blue and black ink. The main subject of the page is statistical theory, specifically hypothesis testing. The printed text is in Chinese and discusses the purpose, basic principles, steps, and types of errors involved in hypothesis testing. There are also English annotations, such as "Null hypothesis," "wrongly reject Ho when Ho is True; usually a," "wrongly fail to reject Ho when Hi is True," and "probability." Another handwritten note refers to "1-β → ability to detect real difference." The page is likely from a personal copy of the textbook, as evidenced by the handwritten notes which are intended to clarify or emphasize certain points. The lighting suggests it was taken indoors, possibly under artificial light, as there are no strong shadows or indications of natural light sources. The setting appears to be a desk or table where someone is studying. The overall tone is academic and studious. No people are visible in the image.

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