1.

(oFindthevalueofx, if the mode of the following data is 25:15, 20, 25, 18, 14, 15,25, 15, 18, 16, 20, 25, 20, x, 18.(ii) If both 20 and 18 are changed to 15 in the above data, find the new mode.

Answer»

If 20 and 18 are changed to 15, the new mode is 15.

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