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No of students The weights of 280 students were taken and the results are presented in the cumulative li'equenoy graph below. Use the graph to

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No of students The weights of 280 students were taken and the results are presented in the cumulative li'equenoy graph below. Use the graph to estimate the following. 300 250 200 150 _'. What is the median weight of students? : . Find the IQR, the interquartile range? '. How man; students weighed more than 823 kgs'? : . How man; students weighed less than 80 kgs'? 7. Find the weight corresponding to the 40th percentile

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