In: Statistics and Probability
A university wants to test the claim that the average SAT score for in-state (I) students is less than the average SAT score for out-of-state (O) students. It will use random samples of 50 in-state students and 45 out-of-state students. Choose the appropriate math symbol to replace the "?" in both the null and alternative hypotheses shown below.
H0: μI ? μO
≥
<
≤
=
>
≠
Ha: μI ? μO
<
=
≤
≥
>
≠