Stake attention in this memory
The image captures a classroom or lecture hall scene, likely in the Chongqing High-tech Zone, China, during a statistics or biostatistics lesson. A female instructor, dressed in a dark blazer over a pink shirt, stands near a green chalkboard, appearing to engage with students or explain concepts. Her right hand is raised, possibly gesturing or pointing. In the foreground, the back of a student wearing a yellow hoodie is visible, seated at a desk with a laptop. Another student's back, in black pants with white stripes, is partially seen further to the right. The room is equipped with modern classroom furniture, including student desks, chairs, and computer monitors. A prominent large display screen in the background projects an "Exercise" slide, featuring two problems related to statistical analysis of breast cancer patient data. The first problem, numbered "1.", discusses "120 breast cancer patients randomly divided into two groups" receiving different tests with varying positive rates, asking about data type, study design, and appropriate hypothesis tests. The second problem, numbered "2.", also involves "120 breast cancer patients" and asks about comparing outcomes of two test methods given their positive rates. The presentation software "PowerPoint" is visible at the bottom of the screen. The green chalkboard beside the instructor is filled with handwritten mathematical and statistical formulas, including expressions for 't-test' and 'chi-squared' (χ²), along with variables like 'v=n-1', 'S_p', and '(A-T)'. A microphone on a stand is positioned in the upper left, and a security camera is mounted on the wall above the chalkboard. The setting suggests a focused academic environment during daytime.
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