In two wards for elderly women in a geriatric hospital the following levels of haemoglobin were found: Ward A: 12.2, 11.1, 14.0, 11.3, 12.5, 12.7, 13.4, 13.7 g/dl; Ward B: 11.9, 10.7, 12.3, 13.9, 11.4, 12.0, 11.1 g/dl. What is the 95% confidence interval for the difference in treatments? (Table value = 2.16)

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In two wards for elderly women in a geriatric hospital the following levels of haemoglobin were found:
Ward A: 12.2, 11.1, 14.0, 11.3, 12.5, 12.7, 13.4, 13.7 g/dl;
Ward B: 11.9, 10.7, 12.3, 13.9, 11.4, 12.0, 11.1 g/dl.
What is the 95% confidence interval for the difference in treatments?
(Table value = 2.16)
Transcribed Image Text:In two wards for elderly women in a geriatric hospital the following levels of haemoglobin were found: Ward A: 12.2, 11.1, 14.0, 11.3, 12.5, 12.7, 13.4, 13.7 g/dl; Ward B: 11.9, 10.7, 12.3, 13.9, 11.4, 12.0, 11.1 g/dl. What is the 95% confidence interval for the difference in treatments? (Table value = 2.16)
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