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 |
3 |
1814273 |
2450 |
- |
2436 |
= |
14 |
* |
(119 |
/ |
483)
|
= |
3.44927535 |
4 |
1814276 |
2501 |
- |
2485 |
= |
16 |
* |
(112 |
/ |
483)
|
= |
3.71014491 |
5 |
1814277 |
2526 |
- |
2528 |
= |
-2 |
* |
(112 |
/ |
483)
|
= |
-0.46376811 |
6 |
1814280 |
2549 |
- |
2552 |
= |
-3 |
* |
(140 |
/ |
483)
|
= |
-0.86956522 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Stone Lake Elementary
|
6 |
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 |
3 |
56173 |
2462 |
- |
2436 |
= |
26 |
* |
(106 |
/ |
486)
|
= |
5.67078187 |
4 |
56174 |
2518 |
- |
2485 |
= |
33 |
* |
(131 |
/ |
486)
|
= |
8.89506173 |
5 |
56176 |
2525 |
- |
2528 |
= |
-3 |
* |
(128 |
/ |
486)
|
= |
-0.79012346 |
6 |
56178 |
2550 |
- |
2552 |
= |
-2 |
* |
(121 |
/ |
486)
|
= |
-0.49794239 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Stone Lake Elementary
|
13 |
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 |
3 |
57806 |
2474 |
- |
2436 |
= |
38 |
* |
(119 |
/ |
516)
|
= |
8.76356589 |
4 |
57807 |
2511 |
- |
2485 |
= |
26 |
* |
(115 |
/ |
516)
|
= |
5.79457364 |
5 |
57810 |
2537 |
- |
2528 |
= |
9 |
* |
(143 |
/ |
516)
|
= |
2.49418604 |
6 |
57812 |
2564 |
- |
2552 |
= |
12 |
* |
(139 |
/ |
516)
|
= |
3.23255813 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Stone Lake Elementary
|
20 |
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 |
3 |
57941 |
2485 |
- |
2436 |
= |
49 |
* |
(85 |
/ |
437)
|
= |
9.53089244 |
4 |
57943 |
2517 |
- |
2485 |
= |
32 |
* |
(111 |
/ |
437)
|
= |
8.12814643 |
5 |
57945 |
2536 |
- |
2528 |
= |
8 |
* |
(101 |
/ |
437)
|
= |
1.84897025 |
6 |
57947 |
2567 |
- |
2552 |
= |
15 |
* |
(140 |
/ |
437)
|
= |
4.80549198 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Stone Lake Elementary
|
24 |
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 |
3 |
58196 |
2486 |
- |
2436 |
= |
50 |
* |
(112 |
/ |
430)
|
= |
13.0232558 |
4 |
58197 |
2528 |
- |
2485 |
= |
43 |
* |
(91 |
/ |
430)
|
= |
9.09999996 |
5 |
58198 |
2532 |
- |
2528 |
= |
4 |
* |
(113 |
/ |
430)
|
= |
1.05116279 |
6 |
58199 |
2556 |
- |
2552 |
= |
4 |
* |
(114 |
/ |
430)
|
= |
1.06046512 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Stone Lake Elementary
|
24 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
6
|
13
|
20
|
24
|
24
|
87.0 |
17.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 38.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -3.6
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: