Grand Canyon University Statistics Discussion
Topic 2 DQ 1
Identify the three measures of central tendency. How do you know which measure of central tendency is appropriate? How are the measures of central tendency found using SPSS? During an experiment, why is it important for a researcher to find the central tendency of a probability distribution?
Topic 2 DQ 2
Explain what is measured by each of the following: sum of squares (SS), variance, and standard deviation. Why is it essential to understand the difference between sample statistics and population parameters (e.g., when to use n-1 when calculating variance)?