Mathematics, 02.12.2020 16:40 stevensquad638
A school district has decided that students in grades 7 through 12 should receive 400 minutes of physical education every 10 school days. A gym teacher at one of the schools believes that his students are not meeting this criterion. She randomly selects 50 students and it is found that her students have a mean of 385 minutes and a standard deviation of 55 minutes. Is this evidence to support her claim?
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A school district has decided that students in grades 7 through 12 should receive 400 minutes of phy...
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