3. A standard die is rolled 36 times. The results are shown in the following table, 4 5 6 3 Score 2 1 8 Frequency 3 5 (a) Write down the standard deviation. 1.63 (b) Write down the median score. 4.5 (c) Find the interquartile range. 5-3-2 4 6 10 32.

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