1). A. For the following data x: {8,9,7,4,2} b. Find sigma[sigma] (use whichever method you want, assume population data)

2. For the following data x: {8,9,7,4,2}

a. Calculate SS/N =

B. what name do we give that statistic?

3. For the following questions, assume a normal distribution with a Mean (X-bar) of 30, and a standard deviation (SD) of 5. Convert each of the following scores to a z-score on this distribution:

x=30

4. For the following questions, assume a normal distribution with a Mean (X-bar) of 30, and a standard deviation (SD) of 5. Convert each of the following scores to a z-score on this distribution:

X=45