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 |
897291 |
2453 |
- |
2436 |
= |
17 |
* |
(102 |
/ |
505)
|
= |
3.43366337 |
4 |
897294 |
2481 |
- |
2485 |
= |
-4 |
* |
(126 |
/ |
505)
|
= |
-0.9980198 |
5 |
897295 |
2501 |
- |
2528 |
= |
-27 |
* |
(155 |
/ |
505)
|
= |
-8.28712871 |
6 |
897298 |
2543 |
- |
2552 |
= |
-9 |
* |
(122 |
/ |
505)
|
= |
-2.17425742 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Eagle Rock Elementary
|
-8 |
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 |
28355 |
2470 |
- |
2436 |
= |
34 |
* |
(93 |
/ |
495)
|
= |
6.38787876 |
4 |
28357 |
2501 |
- |
2485 |
= |
16 |
* |
(116 |
/ |
495)
|
= |
3.74949494 |
5 |
28358 |
2525 |
- |
2528 |
= |
-3 |
* |
(142 |
/ |
495)
|
= |
-0.86060606 |
6 |
28360 |
2534 |
- |
2552 |
= |
-18 |
* |
(144 |
/ |
495)
|
= |
-5.23636362 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Eagle Rock Elementary
|
4 |
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 |
28921 |
2455 |
- |
2436 |
= |
19 |
* |
(85 |
/ |
438)
|
= |
3.68721459 |
4 |
28923 |
2497 |
- |
2485 |
= |
12 |
* |
(107 |
/ |
438)
|
= |
2.93150684 |
5 |
28926 |
2533 |
- |
2528 |
= |
5 |
* |
(122 |
/ |
438)
|
= |
1.39269406 |
6 |
28928 |
2555 |
- |
2552 |
= |
3 |
* |
(124 |
/ |
438)
|
= |
0.84931507 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Eagle Rock Elementary
|
9 |
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 |
28971 |
2478 |
- |
2436 |
= |
42 |
* |
(101 |
/ |
429)
|
= |
9.88811187 |
4 |
28972 |
2487 |
- |
2485 |
= |
2 |
* |
(100 |
/ |
429)
|
= |
0.46620047 |
5 |
28975 |
2523 |
- |
2528 |
= |
-5 |
* |
(111 |
/ |
429)
|
= |
-1.29370629 |
6 |
28976 |
2572 |
- |
2552 |
= |
20 |
* |
(117 |
/ |
429)
|
= |
5.45454544 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Eagle Rock Elementary
|
15 |
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 |
29151 |
2497 |
- |
2436 |
= |
61 |
* |
(111 |
/ |
437)
|
= |
15.49427914 |
4 |
29152 |
2509 |
- |
2485 |
= |
24 |
* |
(111 |
/ |
437)
|
= |
6.09610982 |
5 |
29153 |
2521 |
- |
2528 |
= |
-7 |
* |
(106 |
/ |
437)
|
= |
-1.6979405 |
6 |
29154 |
2575 |
- |
2552 |
= |
23 |
* |
(109 |
/ |
437)
|
= |
5.73684209 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Eagle Rock Elementary
|
26 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-8
|
4
|
9
|
15
|
26
|
46.0 |
9.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 45.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -26.8
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: