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 |
1463871 |
2614 |
- |
2628 |
= |
-14 |
* |
(3281 |
/ |
3281) |
= |
-14.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Fullerton Joint Union High
|
-14 |
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 |
11 |
45986 |
2606 |
- |
2628 |
= |
-22 |
* |
(3248 |
/ |
3248) |
= |
-22.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Fullerton Joint Union High
|
-22 |
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 |
47212 |
2608 |
- |
2628 |
= |
-20 |
* |
(3502 |
/ |
3502) |
= |
-20.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Fullerton Joint Union High
|
-20 |
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 |
47223 |
2597 |
- |
2628 |
= |
-31 |
* |
(3309 |
/ |
3309) |
= |
-31.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Fullerton Joint Union High
|
-31 |
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 |
47397 |
2602 |
- |
2628 |
= |
-26 |
* |
(3182 |
/ |
3182) |
= |
-26.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Fullerton Joint Union High
|
-26 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-14
|
-22
|
-20
|
-31
|
-26
|
-113.0 |
-22.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -4.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -40.6
For the lines, you have the data necessary to plot the chart.