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 |
6 |
983881 |
2399 |
- |
2552 |
= |
-153 |
* |
(154 |
/ |
572)
|
= |
-41.19230766 |
7 |
983882 |
2406 |
- |
2567 |
= |
-161 |
* |
(190 |
/ |
572)
|
= |
-53.47902095 |
8 |
983885 |
2467 |
- |
2586 |
= |
-119 |
* |
(228 |
/ |
572)
|
= |
-47.43356636 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Samuel Gompers Middle
|
-142 |
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 |
31120 |
2398 |
- |
2552 |
= |
-154 |
* |
(163 |
/ |
537)
|
= |
-46.74487895 |
7 |
31123 |
2394 |
- |
2567 |
= |
-173 |
* |
(175 |
/ |
537)
|
= |
-56.37802594 |
8 |
31125 |
2445 |
- |
2586 |
= |
-141 |
* |
(199 |
/ |
537)
|
= |
-52.25139662 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Samuel Gompers Middle
|
-155 |
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 |
6 |
31682 |
2383 |
- |
2552 |
= |
-169 |
* |
(110 |
/ |
454)
|
= |
-40.94713641 |
7 |
31684 |
2409 |
- |
2567 |
= |
-158 |
* |
(165 |
/ |
454)
|
= |
-57.42290743 |
8 |
31686 |
2410 |
- |
2586 |
= |
-176 |
* |
(179 |
/ |
454)
|
= |
-69.39207035 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Samuel Gompers Middle
|
-168 |
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 |
31726 |
2416 |
- |
2552 |
= |
-136 |
* |
(136 |
/ |
409)
|
= |
-45.22249383 |
7 |
31728 |
2420 |
- |
2567 |
= |
-147 |
* |
(126 |
/ |
409)
|
= |
-45.28606347 |
8 |
31730 |
2415 |
- |
2586 |
= |
-171 |
* |
(147 |
/ |
409)
|
= |
-61.45965754 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Samuel Gompers Middle
|
-152 |
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 |
6 |
31904 |
2414 |
- |
2552 |
= |
-138 |
* |
(142 |
/ |
431)
|
= |
-45.46635727 |
7 |
31905 |
2439 |
- |
2567 |
= |
-128 |
* |
(139 |
/ |
431)
|
= |
-41.2807424 |
8 |
31906 |
2418 |
- |
2586 |
= |
-168 |
* |
(150 |
/ |
431)
|
= |
-58.46867746 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Samuel Gompers Middle
|
-145 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-142
|
-155
|
-168
|
-152
|
-145
|
-762.0 |
-152.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -122.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -182.4
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: