What is NOT true about conducting a matched pairs t-test? O The two samples are independent of one another.
O You are really testing the mean difference, not the difference of means
O This is really a single sample t-test on the one set of sample differences.
OYou follow the same five basic steps as any other hypothesis test

-4

step-by-step explanation:

(-4+8)=-(4-8)=-8+4=-4

answer: sensy

step-by-step explanation:

c) yes, because of asa or aas

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.