Liberty University

EDCO 735

1)Which of the following is NOT needed in the formula for calculating a confidence interval's upper limit?

2. In order to calculate the sum of squared deviations you must:

3. Variance:

4. s is all of the following except:

5. When different sets of data of the same size are randomly chosen from a population, the resulting variation in values is called:

6. A two-tailed outlier for the Z distribution must have a Z score equivalent to the:

7. In order to calculate the mean you must: