Now that our data is organized we can calculate the weighted average. Lab 1st Major Test 77 0.23 77(0.23) 2nd Major Test Final Exam Score 89 0.2 89(0.2) 69 67 Weight (Decimal) Product 0.23 0.34 69(0.23) 67(0.34) Take the sum of the products over all data values and divide by the sum of all the weights. This is the weighted average. XW 89(0.2) + 77(0.23) + 69 (0.23) + 67(0.34) 0.2 + 0.23 + 0.23 + 0.34

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Now that our data is organized we can calculate the weighted average.
1st Major Test
77
0.23
77(0.23)
Lab
2nd Major Test
Final Exam
89
0.2
89(0.2)
Take the sum of the products over all data values and divide by the sum of all the weights. This is the weighted average.
Score
69
67
Weight (Decimal)
Product
0.23
0.34
69(0.23)
67(0.34)
XW
89(0.2) + 77(0.23) + 69
(0.23) + 67(0.34)
0.2 + 0.23 + 0.23 + 0.34
Transcribed Image Text:Now that our data is organized we can calculate the weighted average. 1st Major Test 77 0.23 77(0.23) Lab 2nd Major Test Final Exam 89 0.2 89(0.2) Take the sum of the products over all data values and divide by the sum of all the weights. This is the weighted average. Score 69 67 Weight (Decimal) Product 0.23 0.34 69(0.23) 67(0.34) XW 89(0.2) + 77(0.23) + 69 (0.23) + 67(0.34) 0.2 + 0.23 + 0.23 + 0.34
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