The sum of squares for treatments, SST, achieves its smallest value (zero) when all the sample means are equal.
Indicate whether the statement is true or false
Question 2
Which of the following statements is true?
a. In trend analysis, the independent variable is time only if the equation is linear.
b. The number of time periods in centered moving average is always even.
c. If the seasonal index for December sales is 120, this means that December sales tend to be 120 as high as the average month.
d. The cyclical component of a time series refers to repeating patterns that have a period of a year or less.
Sample Exercise Program for Healthy Older Adults (cont.)
Self-Esteem in a Longitudinal Sample
A sample encounter form.
Reacting to Medical Treatments
The Means and Extremes of a Proportion
Sample Size Affects Sampling Error