4.Thirty women were examined in a hospital by a doctor anthe number of heart beatsas follows. Find the mean heart beats perper minute were recorded and summarised as follows. Fitnpintute fo r these women.choosinga suitable methiodNumber of heart beats 65-68 68-7171-74 74-7per minuteNumberof women77-80 80-83 83-864224

4.Thirty women were examined in a hospital by a doctor anthe number of

1.	4.Thirty women were examined in a hospital by a doctor anthe number of heart beatsas follows. Find the mean heart beats perper minute were recorded and summarised as follows. Fitnpintute fo r these women.choosinga suitable methiodNumber of heart beats 65-68 68-7171-74 74-7per minuteNumberof women77-80 80-83 83-864224
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