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 |
847281 |
2460 |
- |
2628 |
= |
-168 |
* |
(35 |
/ |
35)
|
= |
-168.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Early College Academy-LA Trade Tech College
|
-168 |
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 |
26627 |
2474 |
- |
2628 |
= |
-154 |
* |
(56 |
/ |
56)
|
= |
-154.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Early College Academy-LA Trade Tech College
|
-154 |
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 |
27117 |
2490 |
- |
2628 |
= |
-138 |
* |
(48 |
/ |
48)
|
= |
-138.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Early College Academy-LA Trade Tech College
|
-138 |
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 |
27078 |
2505 |
- |
2628 |
= |
-123 |
* |
(21 |
/ |
21)
|
= |
-123.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Early College Academy-LA Trade Tech College
|
-123 |
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 |
27202 |
2482 |
- |
2628 |
= |
-146 |
* |
(35 |
/ |
35)
|
= |
-146.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Early College Academy-LA Trade Tech College
|
-146 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-168
|
-154
|
-138
|
-123
|
-146
|
-729.0 |
-145.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -97.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -193.8
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources: