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 |
2633373 |
2606 |
- |
2628 |
= |
-22 |
* |
(1660 |
/ |
1660) |
= |
-22.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Campbell Union High
|
-22 |
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 |
80306 |
0 |
- |
2567 |
= |
|
* |
(2 |
/ |
1733) |
= |
|
11 |
80308 |
2614 |
- |
2628 |
= |
-14 |
* |
(1731 |
/ |
1733) |
= |
-13.98384303 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Campbell Union High
|
-14 |
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 |
82518 |
0 |
- |
2586 |
= |
|
* |
(0 |
/ |
1823) |
= |
|
11 |
82521 |
2610 |
- |
2628 |
= |
-18 |
* |
(1823 |
/ |
1823) |
= |
-18.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Campbell Union High
|
-18 |
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 |
6 |
82726 |
0 |
- |
2552 |
= |
|
* |
(0 |
/ |
1911) |
= |
|
11 |
82728 |
2603 |
- |
2628 |
= |
-25 |
* |
(1910 |
/ |
1911) |
= |
-24.98691783 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Campbell Union High
|
-25 |
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 |
83339 |
0 |
- |
2567 |
= |
|
* |
(0 |
/ |
1856) |
= |
|
11 |
83340 |
2615 |
- |
2628 |
= |
-13 |
* |
(1855 |
/ |
1856) |
= |
-12.99299568 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Campbell Union High
|
-13 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-22
|
-14
|
-18
|
-25
|
-13
|
-92.0 |
-18.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -3.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -33.4
For the lines, you have the data necessary to plot the chart.