pls answer my question step step. DONT GIVE DIRECT ANSWERS Share with your friends Share 0 Manbar Singh answered this i.The first class interval is 15-20.Lower limit of 15-20 = 15ii.The fourth class interval is 30-35.Lower limit = 30Upper limit = 35iii.The class interval is 45-50Lower limit = 45upper limit = 50Class mark = lower limit + upper limit2 = 45+502 = 952 = 47.5iv.Consider the class interval 15 - 20Upper limit = 20lower limit = 15Class size = upper limit - lower limit = 20 - 15 = 5 1 View Full Answer
