Explain Mean as a Balance Point
On the previous slide you modeled the mean as a balance point of the given data set.
In detail, explain the steps for finding the mean as a balance point of the given data set.
STEPS:

Solve for x by completing the square. 2x^2-4x+7=0

Which approach to the theory-and-research cycle does the following sequence reflect: (1) specific observations suggest generalizations, (2) generalizations produce a tentative theory, (3) the theory is tested through the formation of hypotheses, and (4) hypotheses may provide suggestions for additional observations?

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.