The following table shows the price of a text book for quantitive methods in different stores in Zambia: Sorted prices for a text book k113 k120 k123 k126 k128 k129 k136 k139 k142 k143 k145 k146 k147 k152 k153 k153 k159 k161 k163 k165 k166 k166 k167 k169 k169 k170 k172 k180 k183 k199 Assuming the prices are normally distributed; (i) Find the mean of the prices (ii) Find the standard deviation of the prices

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