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 |
960146 |
2378 |
- |
2436 |
= |
-58 |
* |
(101 |
/ |
331)
|
= |
-17.69788516 |
4 |
960149 |
2421 |
- |
2485 |
= |
-64 |
* |
(114 |
/ |
331)
|
= |
-22.04229606 |
5 |
960150 |
2418 |
- |
2528 |
= |
-110 |
* |
(116 |
/ |
331)
|
= |
-38.54984892 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Stanford Avenue Elementary
|
-78 |
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 |
30382 |
2416 |
- |
2436 |
= |
-20 |
* |
(111 |
/ |
334)
|
= |
-6.64670658 |
4 |
30385 |
2437 |
- |
2485 |
= |
-48 |
* |
(103 |
/ |
334)
|
= |
-14.80239518 |
5 |
30387 |
2450 |
- |
2528 |
= |
-78 |
* |
(120 |
/ |
334)
|
= |
-28.02395209 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Stanford Avenue Elementary
|
-49 |
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 |
30947 |
2414 |
- |
2436 |
= |
-22 |
* |
(120 |
/ |
338)
|
= |
-7.81065087 |
4 |
30949 |
2447 |
- |
2485 |
= |
-38 |
* |
(112 |
/ |
338)
|
= |
-12.59171595 |
5 |
30952 |
2453 |
- |
2528 |
= |
-75 |
* |
(106 |
/ |
338)
|
= |
-23.52071003 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Stanford Avenue Elementary
|
-44 |
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 |
30994 |
2424 |
- |
2436 |
= |
-12 |
* |
(107 |
/ |
334)
|
= |
-3.84431137 |
4 |
30996 |
2454 |
- |
2485 |
= |
-31 |
* |
(109 |
/ |
334)
|
= |
-10.11676646 |
5 |
30998 |
2477 |
- |
2528 |
= |
-51 |
* |
(118 |
/ |
334)
|
= |
-18.01796406 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Stanford Avenue Elementary
|
-32 |
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 |
31170 |
2426 |
- |
2436 |
= |
-10 |
* |
(108 |
/ |
318)
|
= |
-3.39622641 |
4 |
31171 |
2445 |
- |
2485 |
= |
-40 |
* |
(101 |
/ |
318)
|
= |
-12.70440248 |
5 |
31172 |
2479 |
- |
2528 |
= |
-49 |
* |
(109 |
/ |
318)
|
= |
-16.79559746 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Stanford Avenue Elementary
|
-33 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-78
|
-49
|
-44
|
-32
|
-33
|
-236.0 |
-47.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 6.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -101.2
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: