WBUT 2013 BIO-STATISTICS Question Paper Code [CS/B.OPTM/SEM-6/BO-603/2013]

CS/B.OPTM/SEM-6/BO-603/2013

2013

BIO-STATISTICS

Time Allotted : 3 Hours                                              Full Marks : 70

The figures in the margin indicate full marks.

Candidates are required to give their answers in their own words

as far as practicable.

Graph sheet(s) will be supplied by the institution.

GROUP – A

( Multiple Choice Type Questions )

1. Choose the correct alternatives for any ten of the following :

 10 × 1 = 10

i) Correlation coefficient depends on

        a) origin                           b) scale

        c) both (a) and (b)           d) none of these.

ii) The median of the following data :

 12, 5, 7, 10, 4, 9, 15, 14, 2

 is

             a) 9             b) 10

              c) 12          d) 4.

iii) The range of the values 148, 154, 158, 160, 161, 162,

170, 182, 195, 236 is

            a) 45          b) 88

            c) 148        d) 236.

iv) The co-efficient of variation is 40, and mean is 30. The

S.D. is

          a) 8⋅5         b) 12

          c) 7⋅75         d) 9.