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 |
2642188 |
2589 |
- |
2628 |
= |
-39 |
* |
(5020 |
/ |
5020) |
= |
-39.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for East Side Union High
|
-39 |
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 |
6 |
80568 |
0 |
- |
2552 |
= |
|
* |
(0 |
/ |
5288) |
= |
|
8 |
80570 |
0 |
- |
2586 |
= |
|
* |
(0 |
/ |
5288) |
= |
|
11 |
80572 |
2591 |
- |
2628 |
= |
-37 |
* |
(5288 |
/ |
5288) |
= |
-37.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for East Side Union High
|
-37 |
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 |
8 |
82781 |
0 |
- |
2586 |
= |
|
* |
(0 |
/ |
5478) |
= |
|
11 |
82782 |
2594 |
- |
2628 |
= |
-34 |
* |
(5478 |
/ |
5478) |
= |
-34.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for East Side Union High
|
-34 |
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 |
8 |
82989 |
0 |
- |
2586 |
= |
|
* |
(0 |
/ |
5138) |
= |
|
11 |
82992 |
2590 |
- |
2628 |
= |
-38 |
* |
(5138 |
/ |
5138) |
= |
-38.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for East Side Union High
|
-38 |
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 |
83600 |
2598 |
- |
2628 |
= |
-30 |
* |
(5011 |
/ |
5011) |
= |
-30.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for East Side Union High
|
-30 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-39
|
-37
|
-34
|
-38
|
-30
|
-178.0 |
-35.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -26.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -44.6
For the lines, you have the data necessary to plot the chart.