The following selection is LEAST useful for supporting the claim that states intentionally built unequal school systems:
<em>(D) Ten years after Brown,fewer than 10% of Southern public schools had integrated.Some areas did not comply at all.</em>
Answer: The test/procedure that was performed was the One-sided t-test.
Explanation:
The one-sided t-test was performed because they were checking if the average of one variable is larger than the average of the other variable used.
The P-value/margin of error is 3.59609E-07 and the statistical interpretation of this is the value of the P-value was much smaller than 5%. This let the test result conclusive.
The other test that is performed in some of these cases are called the two-sided t-test.
