Answer:
Many answers including (0,0)
Step-by-step explanation:
Well there is many solutions since it is an inequality, in fact there are infinite possible solutions.
One possible solution is (0,0)
Here's a graph that shows some of the possible solutions:
Answer:
Step-by-step explanation:
If we had 2 independent samples with population variances unknown and equal and we want to compare the population mean between the both groups, the test statistic will be:
Where
So, the t-student has degrees of freedom
Where and
are the means of the groups,
and
are the size of the samples and
and
are the sample variances.