2015
Step 1 |
|
Step 2 |
|
Step 3 |
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
Grade |
Line number |
Mean Scale Score |
- |
Scale Score: met min |
= |
Distance from standard |
* |
(Students tested in grade |
/ |
Students) tested in school |
= |
Weighted Distance From Standard |
11 |
1485915 |
2618 |
- |
2628 |
= |
-10 |
* |
(3434 |
/ |
3434) |
= |
-10.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Huntington Beach Union High
|
-10 |
2016
Step 1 |
|
Step 2 |
|
Step 3 |
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
Grade |
Line number |
Mean Scale Score |
- |
Scale Score: met min |
= |
Distance from standard |
* |
(Students tested in grade |
/ |
Students) tested in school |
= |
Weighted Distance From Standard |
7 |
46655 |
0 |
- |
2567 |
= |
|
* |
(1 |
/ |
3643) |
= |
|
11 |
46657 |
2623 |
- |
2628 |
= |
-5 |
* |
(3642 |
/ |
3643) |
= |
-4.9986275 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Huntington Beach Union High
|
-5 |
2017
Step 1 |
|
Step 2 |
|
Step 3 |
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
Grade |
Line number |
Mean Scale Score |
- |
Scale Score: met min |
= |
Distance from standard |
* |
(Students tested in grade |
/ |
Students) tested in school |
= |
Weighted Distance From Standard |
11 |
47911 |
2626 |
- |
2628 |
= |
-2 |
* |
(3882 |
/ |
3882) |
= |
-2.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Huntington Beach Union High
|
-2 |
2018
Step 1 |
|
Step 2 |
|
Step 3 |
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
Grade |
Line number |
Mean Scale Score |
- |
Scale Score: met min |
= |
Distance from standard |
* |
(Students tested in grade |
/ |
Students) tested in school |
= |
Weighted Distance From Standard |
11 |
47915 |
2619 |
- |
2628 |
= |
-9 |
* |
(3611 |
/ |
3611) |
= |
-9.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Huntington Beach Union High
|
-9 |
2019
Step 1 |
|
Step 2 |
|
Step 3 |
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
Grade |
Line number |
Mean Scale Score |
- |
Scale Score: met min |
= |
Distance from standard |
* |
(Students tested in grade |
/ |
Students) tested in school |
= |
Weighted Distance From Standard |
11 |
48093 |
2618 |
- |
2628 |
= |
-10 |
* |
(3554 |
/ |
3554) |
= |
-10.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Huntington Beach Union High
|
-10 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-10
|
-5
|
-2
|
-9
|
-10
|
-36.0 |
-7.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 1.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -16.2
For the lines, you have the data necessary to plot the chart.