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 |
7 |
1153270 |
2552 |
- |
2567 |
= |
-15 |
* |
(3264 |
/ |
10323) |
= |
-4.74280731 |
8 |
1153271 |
2579 |
- |
2586 |
= |
-7 |
* |
(3403 |
/ |
10323) |
= |
-2.30756562 |
11 |
1153274 |
2605 |
- |
2628 |
= |
-23 |
* |
(3656 |
/ |
10323) |
= |
-8.14569408 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for William S. Hart Union High
|
-15 |
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 |
3 |
35882 |
0 |
- |
2436 |
= |
|
* |
(1 |
/ |
10245) |
= |
|
7 |
35884 |
2568 |
- |
2567 |
= |
1 |
* |
(3256 |
/ |
10245) |
= |
0.31781357 |
8 |
35885 |
2591 |
- |
2586 |
= |
5 |
* |
(3302 |
/ |
10245) |
= |
1.61151781 |
11 |
35887 |
2621 |
- |
2628 |
= |
-7 |
* |
(3686 |
/ |
10245) |
= |
-2.51849683 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for William S. Hart Union High
|
-1 |
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 |
7 |
36592 |
2572 |
- |
2567 |
= |
5 |
* |
(3321 |
/ |
10204) |
= |
1.62730302 |
8 |
36593 |
2597 |
- |
2586 |
= |
11 |
* |
(3268 |
/ |
10204) |
= |
3.52293218 |
11 |
36596 |
2617 |
- |
2628 |
= |
-11 |
* |
(3615 |
/ |
10204) |
= |
-3.89700117 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for William S. Hart Union High
|
1 |
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 |
7 |
36578 |
2569 |
- |
2567 |
= |
2 |
* |
(3388 |
/ |
10438) |
= |
0.64916651 |
8 |
36579 |
2593 |
- |
2586 |
= |
7 |
* |
(3360 |
/ |
10438) |
= |
2.25330523 |
11 |
36582 |
2617 |
- |
2628 |
= |
-11 |
* |
(3690 |
/ |
10438) |
= |
-3.88867599 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for William S. Hart Union High
|
-1 |
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 |
7 |
36740 |
2572 |
- |
2567 |
= |
5 |
* |
(3369 |
/ |
10312) |
= |
1.63353375 |
8 |
36741 |
2589 |
- |
2586 |
= |
3 |
* |
(3365 |
/ |
10312) |
= |
0.97895655 |
11 |
36742 |
2627 |
- |
2628 |
= |
-1 |
* |
(3578 |
/ |
10312) |
= |
-0.3469744 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for William S. Hart Union High
|
2 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-15
|
-1
|
1
|
-1
|
2
|
-14.0 |
-2.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 15.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -20.8
For the lines, you have the data necessary to plot the chart.