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16 A restaurant owner wants to find out the average amount a customer spent at her restaurant. She records the amount spent by each customer as shown below. Amount $15 $20 $30 $40 $50 $120 spent per customer Number of 3 x 2541 customers The median of the data set is $30. (a) Find the possible values of x. (b) By taking into account a particular average, the owner claims that each customer spends about $34 in the restaurant. (i) Which average does she use to make the conclusion? State the value of x that leads to this conclusion. (ii) Is the average in (b)(i) appropriate to summarise the amount spent per customer in that restaurant? Explain your answer. Auto tom. The automatic
