A bank manager wishes to see whether there is any preference in the times that customers use the bank. Six hours are selected, and the number of customers visiting the bank is as shown here. At "alpha" = 0.01, do the customers show a preference for specific times?
TIME 10:00 11:00 NOON 1:00 2:00 3:00
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# CUSTOMERS 20 35 42 34 30 19