Statistical techniques are classified into two major categories

    Statistical techniques are classified into two major categories: descriptive and inferential. Describe the general purpose of each category. Define the concept of "sampling error." Note: Your definition should include the concepts of sample, population, statistic, and parameter. Calculate each value requested for the following set of scores. Scores: 1, 2, 0, 4 a. ΣX b. ΣX2 c. (ΣX)2 Calculate each value requested for the following set of scores: X Y 1 5 3 1 0 -2 2 -4 a. ΣX b. ΣY c. ΣXΣY d. ΣXY Calculate each value requested for the following set of scores. Scores: 5, 2, 4, 2 a. ΣX – 2 b. Σ(X – 2) c. Σ(X – 2)2