Math 1314 Lab Weighted Averaging This lab contains the concepts needed to calculate an average in a course using weighted averages such as this class. Assume in a science course, final averages are based on the following percentages. Chapter tests 45% Quizzes Online Homework 10% Labs Final Exam 25% 100% There are two ways to calculate the average. One way is to average the individual types of grades (Chapter tests, Quizzes, Online Homework, and Labs) and then use the formula below. (avg ch tests) 0.45 +(avg quizzes) 0.15 +(avg hw) 0.10 (avg labs) 0.05 (final) 0.25-weighted average Example: Given the following grades, calculate the average of each type by adding the items under each type and divide by the number of items. Online Chapter Tests Quizzes Hw Labs Final 40 100 95 100 95 100 100 100 400 310 475 455 275 95 Divide by 4 by 7 by 7 by 3 77.5 67.9 65 91.7 Put the average grade for each type into the formula given. (avg ch tests) 0.45 (avg quizzes) 0.15 (avg hw) 0.10 (avg labs) 0.05 (final) 0.25 ighted average (7.5) 0.45 (67.9) 0.15 +(65) 0.10 (91.7) 0.05 (95) 0.25 79.90
Show transcribed image text Math 1314 Lab Weighted Averaging This lab contains the concepts needed to calculate an average in a course using weighted averages such as this class. Assume in a science course, final averages are based on the following percentages. Chapter tests 45% Quizzes Online Homework 10% Labs Final Exam 25% 100% There are two ways to calculate the average. One way is to average the individual types of grades (Chapter tests, Quizzes, Online Homework, and Labs) and then use the formula below. (avg ch tests) 0.45 +(avg quizzes) 0.15 +(avg hw) 0.10 (avg labs) 0.05 (final) 0.25-weighted average Example: Given the following grades, calculate the average of each type by adding the items under each type and divide by the number of items. Online Chapter Tests Quizzes Hw Labs Final 40 100 95 100 95 100 100 100 400 310 475 455 275 95 Divide by 4 by 7 by 7 by 3 77.5 67.9 65 91.7 Put the average grade for each type into the formula given. (avg ch tests) 0.45 (avg quizzes) 0.15 (avg hw) 0.10 (avg labs) 0.05 (final) 0.25 ighted average (7.5) 0.45 (67.9) 0.15 +(65) 0.10 (91.7) 0.05 (95) 0.25 79.90

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Math 1314 Lab Weighted Averaging This lab contains the concepts needed to calculate an average in a course using weighted averages such as this class. Assume in a science course, final averages are based on the following percentages. Chapter tests 45% Quizzes Online Homework 10% Labs Final Exam 25% 100% There are two ways to calculate the average. One way is to average the individual types of grades (Chapter tests, Quizzes, Online Homework, and Labs) and then use the formula below. (avg ch tests) 0.45 +(avg quizzes) 0.15 +(avg hw) 0.10 (avg labs) 0.05 (final) 0.25-weighted average Example: Given the following grades, calculate the average of each type by adding the items under each type and divide by the number of items. Online Chapter Tests Quizzes Hw Labs Final 40 100 95 100 95 100 100 100 400 310 475 455 275 95 Divide by 4 by 7 by 7 by 3 77.5 67.9 65 91.7 Put the average grade for each type into the formula given. (avg ch tests) 0.45 (avg quizzes) 0.15 (avg hw) 0.10 (avg labs) 0.05 (final) 0.25 ighted average (7.5) 0.45 (67.9) 0.15 +(65) 0.10 (91.7) 0.05 (95) 0.25 79.90  Show transcribed image text Math 1314 Lab Weighted Averaging This lab contains the concepts needed to calculate an average in a course using weighted averages such as this class. Assume in a science course, final averages are based on the following percentages. Chapter tests 45% Quizzes Online Homework 10% Labs Final Exam 25% 100% There are two ways to calculate the average. One way is to average the individual types of grades (Chapter tests, Quizzes, Online Homework, and Labs) and then use the formula below. (avg ch tests) 0.45 +(avg quizzes) 0.15 +(avg hw) 0.10 (avg labs) 0.05 (final) 0.25-weighted average Example: Given the following grades, calculate the average of each type by adding the items under each type and divide by the number of items. Online Chapter Tests Quizzes Hw Labs Final 40 100 95 100 95 100 100 100 400 310 475 455 275 95 Divide by 4 by 7 by 7 by 3 77.5 67.9 65 91.7 Put the average grade for each type into the formula given. (avg ch tests) 0.45 (avg quizzes) 0.15 (avg hw) 0.10 (avg labs) 0.05 (final) 0.25 ighted average (7.5) 0.45 (67.9) 0.15 +(65) 0.10 (91.7) 0.05 (95) 0.25 79.90

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