Answer:
The oldest stone tools discovered there are characteristic of what's called the Acheulian culture of the Early Stone Age and consisted mostly of the hand axes. In this Olorgesailie Basin excavation site, red ocher pigments were found with Middle Stone Age artifacts.
Explanation:
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.