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 |
328271 |
2406 |
- |
2436 |
= |
-30 |
* |
(63 |
/ |
237)
|
= |
-7.97468352 |
4 |
328272 |
2414 |
- |
2485 |
= |
-71 |
* |
(53 |
/ |
237)
|
= |
-15.87763706 |
5 |
328275 |
2455 |
- |
2528 |
= |
-73 |
* |
(69 |
/ |
237)
|
= |
-21.25316452 |
6 |
328276 |
2462 |
- |
2552 |
= |
-90 |
* |
(52 |
/ |
237)
|
= |
-19.74683538 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Lincoln Elementary
|
-65 |
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 |
9794 |
2409 |
- |
2436 |
= |
-27 |
* |
(63 |
/ |
249)
|
= |
-6.8313253 |
4 |
9795 |
2432 |
- |
2485 |
= |
-53 |
* |
(60 |
/ |
249)
|
= |
-12.77108432 |
5 |
9798 |
2416 |
- |
2528 |
= |
-112 |
* |
(54 |
/ |
249)
|
= |
-24.28915653 |
6 |
9799 |
2504 |
- |
2552 |
= |
-48 |
* |
(72 |
/ |
249)
|
= |
-13.87951805 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Lincoln Elementary
|
-58 |
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 |
10121 |
2410 |
- |
2436 |
= |
-26 |
* |
(70 |
/ |
248)
|
= |
-7.33870966 |
4 |
10123 |
2402 |
- |
2485 |
= |
-83 |
* |
(62 |
/ |
248)
|
= |
-20.75 |
5 |
10126 |
2457 |
- |
2528 |
= |
-71 |
* |
(62 |
/ |
248)
|
= |
-17.75 |
6 |
10127 |
2455 |
- |
2552 |
= |
-97 |
* |
(54 |
/ |
248)
|
= |
-21.1209677 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Lincoln Elementary
|
-67 |
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 |
10140 |
2398 |
- |
2436 |
= |
-38 |
* |
(73 |
/ |
299)
|
= |
-9.27759197 |
4 |
10142 |
2451 |
- |
2485 |
= |
-34 |
* |
(82 |
/ |
299)
|
= |
-9.32441469 |
5 |
10144 |
2453 |
- |
2528 |
= |
-75 |
* |
(70 |
/ |
299)
|
= |
-17.5585284 |
6 |
10146 |
2452 |
- |
2552 |
= |
-100 |
* |
(74 |
/ |
299)
|
= |
-24.7491638 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Lincoln Elementary
|
-61 |
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 |
10220 |
2438 |
- |
2436 |
= |
2 |
* |
(85 |
/ |
302)
|
= |
0.56291391 |
4 |
10221 |
2437 |
- |
2485 |
= |
-48 |
* |
(72 |
/ |
302)
|
= |
-11.44370861 |
5 |
10222 |
2488 |
- |
2528 |
= |
-40 |
* |
(75 |
/ |
302)
|
= |
-9.9337748 |
6 |
10223 |
2504 |
- |
2552 |
= |
-48 |
* |
(70 |
/ |
302)
|
= |
-11.12582779 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Lincoln Elementary
|
-32 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-65
|
-58
|
-67
|
-61
|
-32
|
-283.0 |
-56.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -14.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -98.6
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: