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The following is the weight record of the students in our class. (Unit: kg)

Student number, weight school number, weight school number, weight school number, weight school number, weight school number, weight school number, weight123710 3018 3226 283 401kloc-0/36/kloc-0. 9 30 27 274 33 12 32 20 5 1 28 455 28 1 26 29 346 35 14 37 22 28 30 297 26 15 33 23 40 365 438+0 268 49 16 24 365 438

Weight (kg) 30 and below 365,438+0 ~ 35,36 ~ 40,465,438+0 and above (person) 65,438+03,955 ③ According to the weight of students, make the following statistical chart:

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