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 |
886510 |
2434 |
- |
2436 |
= |
-2 |
* |
(74 |
/ |
215)
|
= |
-0.68837209 |
4 |
886513 |
2476 |
- |
2485 |
= |
-9 |
* |
(74 |
/ |
215)
|
= |
-3.09767441 |
5 |
886514 |
2497 |
- |
2528 |
= |
-31 |
* |
(67 |
/ |
215)
|
= |
-9.66046509 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Chandler Elementary
|
-13 |
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 |
28035 |
2465 |
- |
2436 |
= |
29 |
* |
(66 |
/ |
198)
|
= |
9.66666666 |
4 |
28037 |
2492 |
- |
2485 |
= |
7 |
* |
(64 |
/ |
198)
|
= |
2.26262626 |
5 |
28039 |
2516 |
- |
2528 |
= |
-12 |
* |
(68 |
/ |
198)
|
= |
-4.12121212 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Chandler Elementary
|
8 |
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 |
28602 |
2461 |
- |
2436 |
= |
25 |
* |
(84 |
/ |
204)
|
= |
10.29411763 |
4 |
28603 |
2492 |
- |
2485 |
= |
7 |
* |
(61 |
/ |
204)
|
= |
2.09313725 |
5 |
28605 |
2546 |
- |
2528 |
= |
18 |
* |
(59 |
/ |
204)
|
= |
5.20588235 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Chandler Elementary
|
18 |
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 |
28652 |
2449 |
- |
2436 |
= |
13 |
* |
(73 |
/ |
203)
|
= |
4.67487684 |
4 |
28654 |
2510 |
- |
2485 |
= |
25 |
* |
(73 |
/ |
203)
|
= |
8.99014778 |
5 |
28656 |
2546 |
- |
2528 |
= |
18 |
* |
(57 |
/ |
203)
|
= |
5.05418719 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Chandler Elementary
|
19 |
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 |
28832 |
2450 |
- |
2436 |
= |
14 |
* |
(78 |
/ |
220)
|
= |
4.96363636 |
4 |
28833 |
2518 |
- |
2485 |
= |
33 |
* |
(69 |
/ |
220)
|
= |
10.34999998 |
5 |
28834 |
2545 |
- |
2528 |
= |
17 |
* |
(73 |
/ |
220)
|
= |
5.64090908 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Chandler Elementary
|
21 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-13
|
8
|
18
|
19
|
21
|
53.0 |
10.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 52.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -31.4
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: