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 |
980346 |
2434 |
- |
2552 |
= |
-118 |
* |
(161 |
/ |
1325)
|
= |
-14.33811309 |
7 |
980349 |
2455 |
- |
2567 |
= |
-112 |
* |
(572 |
/ |
1325)
|
= |
-48.35018866 |
8 |
980350 |
2470 |
- |
2586 |
= |
-116 |
* |
(592 |
/ |
1325)
|
= |
-51.82792443 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Belvedere Middle
|
-115 |
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 |
31023 |
2468 |
- |
2552 |
= |
-84 |
* |
(136 |
/ |
1171)
|
= |
-9.75576428 |
7 |
31025 |
2456 |
- |
2567 |
= |
-111 |
* |
(497 |
/ |
1171)
|
= |
-47.11101616 |
8 |
31026 |
2488 |
- |
2586 |
= |
-98 |
* |
(538 |
/ |
1171)
|
= |
-45.02476514 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Belvedere Middle
|
-102 |
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 |
31585 |
2463 |
- |
2552 |
= |
-89 |
* |
(120 |
/ |
1028)
|
= |
-10.38910501 |
7 |
31587 |
2466 |
- |
2567 |
= |
-101 |
* |
(448 |
/ |
1028)
|
= |
-44.01556417 |
8 |
31589 |
2485 |
- |
2586 |
= |
-101 |
* |
(460 |
/ |
1028)
|
= |
-45.19455252 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Belvedere Middle
|
-100 |
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 |
31631 |
2486 |
- |
2552 |
= |
-66 |
* |
(117 |
/ |
993)
|
= |
-7.77643502 |
7 |
31633 |
2474 |
- |
2567 |
= |
-93 |
* |
(433 |
/ |
993)
|
= |
-40.55287004 |
8 |
31635 |
2491 |
- |
2586 |
= |
-95 |
* |
(443 |
/ |
993)
|
= |
-42.3816717 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Belvedere Middle
|
-91 |
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 |
31808 |
2477 |
- |
2552 |
= |
-75 |
* |
(96 |
/ |
947)
|
= |
-7.6029567 |
7 |
31809 |
2491 |
- |
2567 |
= |
-76 |
* |
(431 |
/ |
947)
|
= |
-34.58922914 |
8 |
31810 |
2488 |
- |
2586 |
= |
-98 |
* |
(420 |
/ |
947)
|
= |
-43.46356909 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Belvedere Middle
|
-86 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-115
|
-102
|
-100
|
-91
|
-86
|
-494.0 |
-98.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -65.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -131.8
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: