If a sales person sell electric appliance on an average of $6$ appliances per day f or the first two weeks. The dot plot is drawn to find out how much he sold in first $13$ days. What is the minimum number of appliances he must sell on the $14^{th}$ day in order to reach his goal?

The goal is to average 6 appliances per day over 14 days, requiring a total of 6 times 14, which is 84 appliances. The dot plot shows that he sold 76 appliances in the first 13 days. To reach the goal, he must sell at least 84 minus 76, which is 8 appliances on the 14th day.

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