![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 28.11.2019 05:31, sunny3799
Provided below are summary statistics for independent simple random samples from two populations. preliminary data analyses indicate that the variable under consideration is normally distributed on each population. decide whether use of the pooled t-test and pooled t-interval procedure is reasonable. x overbar 1equals485.6, s 1equals44.3, n 1equals49, x overbar 2equals390.1, s 2equals61.3, n 2equals31.
is use of the pooled t-test and pooled t-interval procedure reasonable or not reasonable?
a. reasonable
b. not reasonable
![answer](/tpl/images/cats/otvet.png)
Answers: 3