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 |
1794893 |
2450 |
- |
2436 |
= |
14 |
* |
(141 |
/ |
586)
|
= |
3.36860068 |
4 |
1794894 |
2510 |
- |
2485 |
= |
25 |
* |
(141 |
/ |
586)
|
= |
6.01535835 |
5 |
1794897 |
2542 |
- |
2528 |
= |
14 |
* |
(152 |
/ |
586)
|
= |
3.63139931 |
6 |
1794898 |
2576 |
- |
2552 |
= |
24 |
* |
(152 |
/ |
586)
|
= |
6.22525596 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Edna Batey Elementary
|
19 |
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 |
55671 |
2465 |
- |
2436 |
= |
29 |
* |
(142 |
/ |
597)
|
= |
6.89782243 |
4 |
55673 |
2498 |
- |
2485 |
= |
13 |
* |
(151 |
/ |
597)
|
= |
3.2881072 |
5 |
55675 |
2552 |
- |
2528 |
= |
24 |
* |
(149 |
/ |
597)
|
= |
5.98994974 |
6 |
55677 |
2575 |
- |
2552 |
= |
23 |
* |
(155 |
/ |
597)
|
= |
5.97152427 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Edna Batey Elementary
|
22 |
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 |
57296 |
2467 |
- |
2436 |
= |
31 |
* |
(121 |
/ |
575)
|
= |
6.52347824 |
4 |
57298 |
2510 |
- |
2485 |
= |
25 |
* |
(146 |
/ |
575)
|
= |
6.34782608 |
5 |
57299 |
2534 |
- |
2528 |
= |
6 |
* |
(155 |
/ |
575)
|
= |
1.6173913 |
6 |
57302 |
2586 |
- |
2552 |
= |
34 |
* |
(153 |
/ |
575)
|
= |
9.0469565 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Edna Batey Elementary
|
24 |
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 |
57406 |
2475 |
- |
2436 |
= |
39 |
* |
(103 |
/ |
568)
|
= |
7.07218309 |
4 |
57408 |
2492 |
- |
2485 |
= |
7 |
* |
(133 |
/ |
568)
|
= |
1.6390845 |
5 |
57410 |
2536 |
- |
2528 |
= |
8 |
* |
(166 |
/ |
568)
|
= |
2.33802817 |
6 |
57412 |
2567 |
- |
2552 |
= |
15 |
* |
(166 |
/ |
568)
|
= |
4.38380282 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Edna Batey 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 |
57660 |
2473 |
- |
2436 |
= |
37 |
* |
(111 |
/ |
528)
|
= |
7.77840906 |
4 |
57661 |
2507 |
- |
2485 |
= |
22 |
* |
(109 |
/ |
528)
|
= |
4.54166665 |
5 |
57662 |
2524 |
- |
2528 |
= |
-4 |
* |
(140 |
/ |
528)
|
= |
-1.06060606 |
6 |
57663 |
2562 |
- |
2552 |
= |
10 |
* |
(168 |
/ |
528)
|
= |
3.18181818 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Edna Batey Elementary
|
14 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
19
|
22
|
24
|
15
|
14
|
94.0 |
18.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 30.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 6.8
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: