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CBSE Class 10 Answered

In a hospital,during the month of October 3013,number of patients admitted for dengue and their ages are as follows:
 
             AGE (IN YEARS)                                                    NUMBER  OF
                                                                                         PATIENTS  
               0-8                                                                       10
               8-16                                                                     12
               16-24                                                                    8
               24-32                                                                   25
               32-40                                                                   15
               40-48                                                                   11
               48-56                                                                   21
               56-64                                                                   30
               64-72                                                                   22
 
                   Find the mean and median age of the patients.
Asked by Anishma Joseph | 22 Sep, 2014, 08:16: PM
answered-by-expert Expert Answer

Here class length h = 8, Assumed mean = 4

Class Frequency

Midvalues

xi

 ui = (xi - a)/h fiui c.f.
0 - 8 10 8 -5 -50 10
8 - 16 12 12 -4 -48 22
16 - 24 8 20 -3 -24 30
24 - 32 25 28 -2 -50 55
32 - 40 15 36 -1 -15 70
40 - 48 11 44 0 0 81
48 - 56 21 52 1 21 102
56 - 64 30 60 2 60 132
64 - 72 22 68 3 66
154

Syntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '.

Now for median, N = 154, then N/2 = 77, the median class will be 40-48, then l = 40, f = 11, C = 70

Syntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '.

Answered by Mili Hariyani | 23 Sep, 2014, 02:01: PM

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