The heights of 50 clover flowers are summarised in the table. Heights in mm (h) Frequency 90-95

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The heights of 50 clover flowers are summarised in the table. Heights in mm (h) Frequency 90-95 5 95-100 10 100-105 26 105-110 8 110-115 1 a Find Q. b Find Q. c Find the interquartile range. d Use fx 5075 and fx2 516112.5 to find the standard deviation.

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