Make micro sign to be subject of the formula

As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy

The frequencies refer to the sample data collected from a population of interest when performing a hypothesis test comparing two or more population proportions.

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?