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 |
870760 |
2345 |
- |
2436 |
= |
-91 |
* |
(77 |
/ |
179)
|
= |
-39.14525133 |
4 |
870763 |
2382 |
- |
2485 |
= |
-103 |
* |
(52 |
/ |
179)
|
= |
-29.92178768 |
5 |
870764 |
2418 |
- |
2528 |
= |
-110 |
* |
(50 |
/ |
179)
|
= |
-30.72625688 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Angeles Mesa Elementary
|
-100 |
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 |
27541 |
2380 |
- |
2436 |
= |
-56 |
* |
(50 |
/ |
172)
|
= |
-16.27906974 |
4 |
27543 |
2406 |
- |
2485 |
= |
-79 |
* |
(76 |
/ |
172)
|
= |
-34.90697674 |
5 |
27545 |
2458 |
- |
2528 |
= |
-70 |
* |
(46 |
/ |
172)
|
= |
-18.7209302 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Angeles Mesa Elementary
|
-70 |
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 |
28114 |
2385 |
- |
2436 |
= |
-51 |
* |
(49 |
/ |
173)
|
= |
-14.44508669 |
4 |
28116 |
2400 |
- |
2485 |
= |
-85 |
* |
(51 |
/ |
173)
|
= |
-25.0578034 |
5 |
28118 |
2392 |
- |
2528 |
= |
-136 |
* |
(73 |
/ |
173)
|
= |
-57.38728311 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Angeles Mesa Elementary
|
-97 |
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 |
28165 |
2383 |
- |
2436 |
= |
-53 |
* |
(66 |
/ |
166)
|
= |
-21.07228913 |
4 |
28167 |
2412 |
- |
2485 |
= |
-73 |
* |
(52 |
/ |
166)
|
= |
-22.86746988 |
5 |
28169 |
2416 |
- |
2528 |
= |
-112 |
* |
(48 |
/ |
166)
|
= |
-32.38554211 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Angeles Mesa Elementary
|
-76 |
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 |
28344 |
2420 |
- |
2436 |
= |
-16 |
* |
(49 |
/ |
154)
|
= |
-5.09090909 |
4 |
28345 |
2438 |
- |
2485 |
= |
-47 |
* |
(56 |
/ |
154)
|
= |
-17.09090906 |
5 |
28346 |
2427 |
- |
2528 |
= |
-101 |
* |
(49 |
/ |
154)
|
= |
-32.13636362 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Angeles Mesa Elementary
|
-54 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-100
|
-70
|
-97
|
-76
|
-54
|
-397.0 |
-79.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -22.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -136.4
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: