Write down the exact potential energy of the three pendulums of Figure 11.13, good for all angles, small or large, and show that your answer reduces to (11.68) if all three angles are small.

POWERPOINT 7 ● distribution of sample means = the total number of sample means that are obtained for all of the possible random samples of a particular size (n) from a population ● we are examining the spread of our sample means ● statistics (values associated with a sample) have sampling variability associated with them ● sampling distribution...