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 |
1887753 |
2417 |
- |
2436 |
= |
-19 |
* |
(89 |
/ |
245)
|
= |
-6.90204081 |
4 |
1887754 |
2461 |
- |
2485 |
= |
-24 |
* |
(73 |
/ |
245)
|
= |
-7.15102039 |
5 |
1887757 |
2520 |
- |
2528 |
= |
-8 |
* |
(83 |
/ |
245)
|
= |
-2.71020408 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Trajan Elementary
|
-17 |
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 |
58224 |
2430 |
- |
2436 |
= |
-6 |
* |
(86 |
/ |
239)
|
= |
-2.15899581 |
4 |
58226 |
2486 |
- |
2485 |
= |
1 |
* |
(89 |
/ |
239)
|
= |
0.37238494 |
5 |
58228 |
2519 |
- |
2528 |
= |
-9 |
* |
(64 |
/ |
239)
|
= |
-2.41004183 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Trajan 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 |
59909 |
2453 |
- |
2436 |
= |
17 |
* |
(60 |
/ |
247)
|
= |
4.12955464 |
4 |
59912 |
2478 |
- |
2485 |
= |
-7 |
* |
(92 |
/ |
247)
|
= |
-2.60728745 |
5 |
59913 |
2513 |
- |
2528 |
= |
-15 |
* |
(95 |
/ |
247)
|
= |
-5.76923076 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Trajan Elementary
|
-4 |
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 |
60036 |
2447 |
- |
2436 |
= |
11 |
* |
(76 |
/ |
234)
|
= |
3.57264956 |
4 |
60039 |
2500 |
- |
2485 |
= |
15 |
* |
(66 |
/ |
234)
|
= |
4.23076923 |
5 |
60040 |
2509 |
- |
2528 |
= |
-19 |
* |
(92 |
/ |
234)
|
= |
-7.47008547 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Trajan 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 |
60285 |
2448 |
- |
2436 |
= |
12 |
* |
(71 |
/ |
209)
|
= |
4.07655502 |
4 |
60286 |
2492 |
- |
2485 |
= |
7 |
* |
(73 |
/ |
209)
|
= |
2.44497607 |
5 |
60287 |
2523 |
- |
2528 |
= |
-5 |
* |
(65 |
/ |
209)
|
= |
-1.55502392 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Trajan Elementary
|
5 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-17
|
-4
|
-4
|
0
|
5
|
-20.0 |
-4.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 22.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -32.0
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: