WHICH AMONG THE FOLLOWING STATEMENTS IS/ARE TRUE REGARDING T-TEST
26.
Which among the following statements is/are true regarding t-test ?
(a)
an independent sample t-test compares the means of two groups.
(b)
a paired sample t-test compares means from the same group at different times.
(c)
the t-score is a ratio between the difference among two groups and the association
within the group.
(d)
one sample t-test tests the mean of a single group against a known mean.
Code :
(1)
(a) and (b) only
(2)
(c) and (d) only
(3)
(a), (b) and (d) only
(4)
(a), (b), (c) and (d)