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 |
409743 |
2518 |
- |
2628 |
= |
-110 |
* |
(239 |
/ |
239) |
= |
-110.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Fortuna Union High
|
-110 |
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 |
12676 |
2549 |
- |
2628 |
= |
-79 |
* |
(237 |
/ |
237) |
= |
-79.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Fortuna Union High
|
-79 |
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 |
13006 |
2549 |
- |
2628 |
= |
-79 |
* |
(231 |
/ |
231) |
= |
-79.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Fortuna Union High
|
-79 |
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 |
13021 |
2544 |
- |
2628 |
= |
-84 |
* |
(266 |
/ |
266) |
= |
-84.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Fortuna Union High
|
-84 |
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 |
13141 |
2545 |
- |
2628 |
= |
-83 |
* |
(221 |
/ |
221) |
= |
-83.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Fortuna Union High
|
-83 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-110
|
-79
|
-79
|
-84
|
-83
|
-435.0 |
-87.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -48.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -126.0
For the lines, you have the data necessary to plot the chart.