This is a problem from a business statistics class and I don't know how to use the rule to find the answer.

A data set that consists of 42 numbers has a minimum value of 15 and a maximum value of 73, Determine the class boundaries using the 2k 2 n rule if the data are' a] discrete b) continuous at Enter the class boundaries if the data are discrete. Select the correct chOIce below, and ll in the answer boxes to complete your choice. 0 A. 15 to to 34 to to 54 55 to to OB. 15 to less than to less than 39 to less than to less than 63 63 to less than Oc. 15to to 38 to to 62 63 t0 OD. 15 to less than to less than 35 to less than 55 to less than to less than 55 to less than