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 |
975136 |
2394 |
- |
2436 |
= |
-42 |
* |
(139 |
/ |
366)
|
= |
-15.95081964 |
4 |
975139 |
2437 |
- |
2485 |
= |
-48 |
* |
(105 |
/ |
366)
|
= |
-13.77049176 |
5 |
975140 |
2446 |
- |
2528 |
= |
-82 |
* |
(122 |
/ |
366)
|
= |
-27.33333331 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for West Vernon Avenue Elementary
|
-57 |
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 |
30859 |
2410 |
- |
2436 |
= |
-26 |
* |
(119 |
/ |
351)
|
= |
-8.81481481 |
4 |
30860 |
2450 |
- |
2485 |
= |
-35 |
* |
(128 |
/ |
351)
|
= |
-12.76353274 |
5 |
30863 |
2471 |
- |
2528 |
= |
-57 |
* |
(104 |
/ |
351)
|
= |
-16.88888887 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for West Vernon Avenue Elementary
|
-38 |
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 |
31423 |
2400 |
- |
2436 |
= |
-36 |
* |
(134 |
/ |
361)
|
= |
-13.36288086 |
4 |
31426 |
2436 |
- |
2485 |
= |
-49 |
* |
(111 |
/ |
361)
|
= |
-15.06648198 |
5 |
31428 |
2502 |
- |
2528 |
= |
-26 |
* |
(116 |
/ |
361)
|
= |
-8.35457061 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for West Vernon Avenue Elementary
|
-37 |
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 |
31470 |
2412 |
- |
2436 |
= |
-24 |
* |
(124 |
/ |
366)
|
= |
-8.13114754 |
4 |
31472 |
2444 |
- |
2485 |
= |
-41 |
* |
(129 |
/ |
366)
|
= |
-14.45081966 |
5 |
31475 |
2504 |
- |
2528 |
= |
-24 |
* |
(113 |
/ |
366)
|
= |
-7.40983606 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for West Vernon Avenue Elementary
|
-30 |
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 |
31648 |
2394 |
- |
2436 |
= |
-42 |
* |
(102 |
/ |
350)
|
= |
-12.23999998 |
4 |
31649 |
2467 |
- |
2485 |
= |
-18 |
* |
(121 |
/ |
350)
|
= |
-6.22285713 |
5 |
31650 |
2474 |
- |
2528 |
= |
-54 |
* |
(127 |
/ |
350)
|
= |
-19.59428567 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for West Vernon Avenue Elementary
|
-38 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-57
|
-38
|
-37
|
-30
|
-38
|
-200.0 |
-40.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -10.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -70.0
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: