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Q.1 The administration department of PIMS Hospital Islamabad surveyed the number of days 400...


randomly chosen patients stayed in the hospital after an operation. The data are: Days (of hospital stay): 1 - 3 4 - 6 7 - 9 10 - 12 13 - 15 16 - 18 19 - 21 22 - 24 Frequency: 36 18 88 42 18 18 8 10 i). Calculate the standard deviation and mean. ii). According to Chebysshev ’s theorem, how many stays should be between 0 and 17 days? How many are actually in that interval? Iii). How many stays can we expect between 0 and 17 days?

 

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craftyzen says

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7 years ago
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