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 |
864325 |
2477 |
- |
2628 |
= |
-151 |
* |
(364 |
/ |
364)
|
= |
-151.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Theodore Roosevelt Senior High
|
-151 |
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 |
27342 |
2503 |
- |
2628 |
= |
-125 |
* |
(443 |
/ |
443)
|
= |
-125.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Theodore Roosevelt Senior High
|
-125 |
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 |
27918 |
2517 |
- |
2628 |
= |
-111 |
* |
(279 |
/ |
279)
|
= |
-111.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Theodore Roosevelt Senior High
|
-111 |
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 |
27967 |
2488 |
- |
2628 |
= |
-140 |
* |
(273 |
/ |
273)
|
= |
-140.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Theodore Roosevelt Senior High
|
-140 |
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 |
28146 |
2492 |
- |
2628 |
= |
-136 |
* |
(280 |
/ |
280)
|
= |
-136.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Theodore Roosevelt Senior High
|
-136 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-151
|
-125
|
-111
|
-140
|
-136
|
-663.0 |
-132.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -87.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -177.6
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: