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Thirty women were examined in a hospital by a doctor and the number of heart beats per minute recorded and summarised as follows. Find the mean heat beats per minute for these women, choosing a suitable method. Number of heart beats per minute: 65-58 68-71 71-74 74-77 77-80 80-83 83-86 Number of women: 2 4 3 8 7 4 2 |
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Answer» Thirty women were examined in a hospital by a doctor and the number of heart beats per minute recorded and summarised as follows. Find the mean heat beats per minute for these women, choosing a suitable method.
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