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15.Mr Bala conducted a study to see how long his students spend on their phones in minutes to do a specific DESMOS graphing problem.

15.Mr Bala conducted a study to see how long his students spend on their phones in minutes to do a specific DESMOS graphing problem. Time 3 4 5 6 7 8 9 Frequency 2 3 4 5 5 61 a. Based on the experimental probability from the table, calculate the expected value for the time that a student spends on this graphing problem. b. Calculate the mean, median and mode for this data. c. Construct a box and whisker plot and determine the IQR.

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