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 |
1856849 |
2433 |
- |
2436 |
= |
-3 |
* |
(69 |
/ |
214)
|
= |
-0.96728972 |
4 |
1856850 |
2439 |
- |
2485 |
= |
-46 |
* |
(53 |
/ |
214)
|
= |
-11.39252335 |
5 |
1856853 |
2489 |
- |
2528 |
= |
-39 |
* |
(54 |
/ |
214)
|
= |
-9.84112147 |
6 |
1856854 |
2531 |
- |
2552 |
= |
-21 |
* |
(38 |
/ |
214)
|
= |
-3.72897195 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for William Land Elementary
|
-26 |
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 |
57372 |
2434 |
- |
2436 |
= |
-2 |
* |
(69 |
/ |
232)
|
= |
-0.59482759 |
4 |
57374 |
2492 |
- |
2485 |
= |
7 |
* |
(70 |
/ |
232)
|
= |
2.11206896 |
5 |
57376 |
2458 |
- |
2528 |
= |
-70 |
* |
(47 |
/ |
232)
|
= |
-14.18103442 |
6 |
57378 |
2551 |
- |
2552 |
= |
-1 |
* |
(46 |
/ |
232)
|
= |
-0.19827586 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for William Land 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 |
59048 |
2449 |
- |
2436 |
= |
13 |
* |
(75 |
/ |
228)
|
= |
4.27631578 |
4 |
59050 |
2480 |
- |
2485 |
= |
-5 |
* |
(62 |
/ |
228)
|
= |
-1.35964912 |
5 |
59052 |
2536 |
- |
2528 |
= |
8 |
* |
(57 |
/ |
228)
|
= |
2.0 |
6 |
59054 |
2518 |
- |
2552 |
= |
-34 |
* |
(34 |
/ |
228)
|
= |
-5.07017544 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for William Land Elementary
|
0 |
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 |
59162 |
2471 |
- |
2436 |
= |
35 |
* |
(55 |
/ |
245)
|
= |
7.85714283 |
4 |
59165 |
2484 |
- |
2485 |
= |
-1 |
* |
(73 |
/ |
245)
|
= |
-0.29795918 |
5 |
59166 |
2495 |
- |
2528 |
= |
-33 |
* |
(62 |
/ |
245)
|
= |
-8.35102039 |
6 |
59169 |
2557 |
- |
2552 |
= |
5 |
* |
(55 |
/ |
245)
|
= |
1.12244898 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for William Land Elementary
|
0 |
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 |
59418 |
2473 |
- |
2436 |
= |
37 |
* |
(62 |
/ |
246)
|
= |
9.32520324 |
4 |
59419 |
2514 |
- |
2485 |
= |
29 |
* |
(54 |
/ |
246)
|
= |
6.36585366 |
5 |
59420 |
2525 |
- |
2528 |
= |
-3 |
* |
(70 |
/ |
246)
|
= |
-0.85365854 |
6 |
59421 |
2565 |
- |
2552 |
= |
13 |
* |
(60 |
/ |
246)
|
= |
3.17073171 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for William Land Elementary
|
18 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-26
|
-13
|
0
|
0
|
18
|
-21.0 |
-4.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 59.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -73.0
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: