Session 4 handout.docx - Synchronous Session 4 Section 6 \u2013 Descriptive Statistics and Weighted Averages 1 Descriptive Statistics Describe how you find

# Session 4 handout.docx - Synchronous Session 4 Section 6...

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Synchronous Session 4 Section 6 – Descriptive Statistics and Weighted Averages 1. Descriptive Statistics Describe how you find: Mean =_______________________________________________________________ Median ______________________________________________________________ Mode_________________________________________________________________ Maximum ____________________________________________________________ Minimum_____________________________________________________________ Range _______________________________________________________________ Find the following statistics for these exam scores: 75, 87, 46, 98, 100, 64, 75, 82, 71, 72, 93, 22 Mean Maximum Median Minimum Mode Range 2. Skewed Data Handout a. Would the test scores above be symmetrical, skewed left or skewed right? b. Most military personnel are under the age of 40, but there are few officers and enlisted personnel who are older. Would the distribution of military personnel be symmetrical, skewed left or skewed right? 3. Using Excel to find Descriptive Statistics (pg 60) 4. Weighted Averages - Two methods Book packet 2018-2019
Synchronous Session 4 Section 6 – Descriptive Statistics and Weighted Averages A. By percent weights Value * Weight% + Value * Weight % + Value * Weight % Category Weight Category Average Weight x Category Average Tests 65% 82 Homework 10% 95 Quizzes 25% 80 Final Grade (Sum of the last column) a. Find the final grade for this student.