Calculate the pooled variance for the given data.
Two independent samples were taken, their values were
|
31.3782
|
22.34339
|
22.00059
|
23.27456
|
19.58917
|
19.36148
|
18.69048
|
and
|
20.84991
|
14.47431
|
21.70867
|
20.95000
|
19.42273
|
22.40625
|
24.51507
|
|
21.81862
|
17.45048
|
19.09114
|
19.92904
|
27.34344
|
21.1876
|
|
The pooled variance of two samples is:
(a)14.388
(b)12.801
(c)12.68
(d)12.949
(f)14.285