Post on 09-Feb-2017
transcript
3.1 - 1
Desk Work 6: Class AverageIn our class your course grade or average is determined by the following weights given in our syllabus.
Component PercentTest 1 15%
Test 2 15%
Test 3 15%
Web based Homework Assignments 20%
Project 10%
Final 25%
3.1 - 2
Desk Work 6: Class AverageCalculate a students class average based on the following grades.
Component Percent GradeTest 1 15% 76
Test 2 15% 68
Test 3 15% 77
Web based Homework Assignments 20% 100
Project 10% 100
Final 25% 79
3.1 - 3
Desk Work 6: Class AverageCalculate a students class average based on the following grades.
Component Percent GradeTest 1 15% 76
Test 2 15% 68
Test 3 15% 77
Web based Homework Assignments 20% 100
Project 10% 100
Final 25% 79
Class average is calculated using a weighted mean
3.1 - 4
Desk Work 6: Class AverageCalculate a students class average based on the following grades.
Component Percent GradeTest 1 15% 76
Test 2 15% 68
Test 3 15% 77
Web based Homework Assignments 20% 100
Project 10% 100
Final 25% 79
Class average is calculated using a weighted mean
w
xwX
)(
3.1 - 5
Desk Work 6: Class AverageCalculate a students class average based on the following grades.
Component Percent, w Grade, xTest 1 15% 76
Test 2 15% 68
Test 3 15% 77
Web based Homework Assignments 20% 100
Project 10% 100
Final 25% 79
Class average is calculated using a weighted mean→ the grades are your x variable
→ the percentages are your weights w
3.1 - 6
Example 10: Class AverageCalculate a students class average based on the following grades.
Component Percent, w Grade, xTest 1 15% 76
Test 2 15% 68
Test 3 15% 77
Web based Homework Assignments 20% 100
Project 10% 100
Final 25% 79
w
xwX
)( Create a column for w∙x
3.1 - 7
Desk Work 6: Class AverageCalculate a students class average based on the following grades.
Component Percent, w Grade, x w∙x
Test 1 15% 76
Test 2 15% 68
Test 3 15% 77
Web based Homework Assignments 20% 100
Project 10% 100
Final 25% 79
w
xwX
)( Create a column for w∙x
3.1 - 8
Desk Work 6: Class AverageCalculate a students class average based on the following grades.
Component Percent, w Grade, x w∙x
Test 1 15% 76 15(76) = 1140
Test 2 15% 68
Test 3 15% 77
Web based Homework Assignments 20% 100
Project 10% 100
Final 25% 79
w
xwX
)( Create a column for w∙x
3.1 - 9
Desk Work 6: Class AverageCalculate a students class average based on the following grades.
Component Percent, w Grade, x w∙x
Test 1 15% 76 15(76) = 1140
Test 2 15% 68 15(68) = 1020
Test 3 15% 77
Web based Homework Assignments 20% 100
Project 10% 100
Final 25% 79
w
xwX
)( Create a column for w∙x
3.1 - 10
Desk Work 6: Class AverageCalculate a students class average based on the following grades.
Component Percent, w Grade, x w∙x
Test 1 15% 76 15(76) = 1140
Test 2 15% 68 15(68) = 1020
Test 3 15% 77 15(77) = 1155
Web based Homework Assignments 20% 100
Project 10% 100
Final 25% 79
w
xwX
)( Create a column for w∙x
3.1 - 11
Desk Work 6: Class AverageCalculate a students class average based on the following grades.
Component Percent, w Grade, x w∙x
Test 1 15% 76 15(76) = 1140
Test 2 15% 68 15(68) = 1020
Test 3 15% 77 15(77) = 1155
Web based Homework Assignments 20% 100 20(100) = 2000
Project 10% 100
Final 25% 79
w
xwX
)( Create a column for w∙x
3.1 - 12
Desk Work 6: Class AverageCalculate a students class average based on the following grades.
Component Percent, w Grade, x w∙x
Test 1 15% 76 15(76) = 1140
Test 2 15% 68 15(68) = 1020
Test 3 15% 77 15(77) = 1155
Web based Homework Assignments 20% 100 20(100) = 2000
Project 10% 100 10(100) = 1000
Final 25% 79
w
xwX
)( Create a column for w∙x
3.1 - 13
Desk Work 6: Class AverageCalculate a students class average based on the following grades.
Component Percent, w Grade, x w∙x
Test 1 15% 76 15(76) = 1140
Test 2 15% 68 15(68) = 1020
Test 3 15% 77 15(77) = 1155
Web based Homework Assignments 20% 100 20(100) = 2000
Project 10% 100 10(100) = 1000
Final 25% 79 25(79) = 1975
w
xwX
)( Create a column for w∙x
3.1 - 14
Desk Work 6: Class AverageCalculate a students class average based on the following grades.
Component Percent, w Grade, x w∙x
Test 1 15% 76 15(76) = 1140
Test 2 15% 68 15(68) = 1020
Test 3 15% 77 15(77) = 1155
Web based Homework Assignments 20% 100 20(100) = 2000
Project 10% 100 10(100) = 1000
Final 25% 79 25(79) = 1975
w
xwX
)( Sum the column for w∙x
3.1 - 15
Desk Work 6: Class AverageCalculate a students class average based on the following grades.
Component Percent, w Grade, x w∙x
Test 1 15% 76 15(76) = 1140
Test 2 15% 68 15(68) = 1020
Test 3 15% 77 15(77) = 1155
Web based Homework Assignments 20% 100 20(100) = 2000
Project 10% 100 10(100) = 1000
Final 25% 79 25(79) = 1975
w
xwX
)( Sum the column for w∙xΣ(w∙x) = 8290
3.1 - 16
Desk Work 6: Class AverageCalculate a students class average based on the following grades.
Component Percent, w Grade, x w∙x
Test 1 15% 76 15(76) = 1140
Test 2 15% 68 15(68) = 1020
Test 3 15% 77 15(77) = 1155
Web based Homework Assignments 20% 100 20(100) = 2000
Project 10% 100 10(100) = 1000
Final 25% 79 25(79) = 1975
w
xwX
)(
Sum the column of w
Σ(w∙x) = 8290
3.1 - 17
Desk Work 6: Class AverageCalculate a students class average based on the following grades.
Component Percent, w Grade, x w∙x
Test 1 15% 76 15(76) = 1140
Test 2 15% 68 15(68) = 1020
Test 3 15% 77 15(77) = 1155
Web based Homework Assignments 20% 100 20(100) = 2000
Project 10% 100 10(100) = 1000
Final 25% 79 25(79) = 1975
w
xwX
)( Sum the column for w∙xΣ(w∙x) = 8290 Σw = 100
3.1 - 18
Desk Work 6: Class AverageCalculate a students class average based on the following grades.
Component Percent, w Grade, x w∙x
Test 1 15% 76 15(76) = 1140
Test 2 15% 68 15(68) = 1020
Test 3 15% 77 15(77) = 1155
Web based Homework Assignments 20% 100 20(100) = 2000
Project 10% 100 10(100) = 1000
Final 25% 79 25(79) = 1975
w
xwX
)(Σ(w∙x) = 8290 Σw = 100
3.1 - 19
Desk Work 6: Class AverageCalculate a students class average based on the following grades.
Component Percent, w Grade, x w∙x
Test 1 15% 76 15(76) = 1140
Test 2 15% 68 15(68) = 1020
Test 3 15% 77 15(77) = 1155
Web based Homework Assignments 20% 100 20(100) = 2000
Project 10% 100 10(100) = 1000
Final 25% 79 25(79) = 1975
1008290)(
w
xwX
Σ(w∙x) = 8290 Σw = 100
3.1 - 20
Desk Work 6: Class AverageCalculate a students class average based on the following grades.
Component Percent, w Grade, x w∙x
Test 1 15% 76 15(76) = 1140
Test 2 15% 68 15(68) = 1020
Test 3 15% 77 15(77) = 1155
Web based Homework Assignments 20% 100 20(100) = 2000
Project 10% 100 10(100) = 1000
Final 25% 79 25(79) = 1975
9.821008290)(
w
xwX
Σ(w∙x) = 8290 Σw = 100
3.1 - 21
Desk Work 6: Class AverageCalculate a students class average based on the following grades.
Component Percent, w Grade, x w∙x
Test 1 15% 76 15(76) = 1140
Test 2 15% 68 15(68) = 1020
Test 3 15% 77 15(77) = 1155
Web based Homework Assignments 20% 100 20(100) = 2000
Project 10% 100 10(100) = 1000
Final 25% 79 25(79) = 1975
9.821008290)(
w
xwX
Σ(w∙x) = 8290 Σw = 100
This student’s class average is an 82.9 or a B.