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 |
935784 |
2389 |
- |
2436 |
= |
-47 |
* |
(97 |
/ |
340)
|
= |
-13.4088235 |
4 |
935787 |
2419 |
- |
2485 |
= |
-66 |
* |
(103 |
/ |
340)
|
= |
-19.99411762 |
5 |
935788 |
2448 |
- |
2528 |
= |
-80 |
* |
(85 |
/ |
340)
|
= |
-20.0 |
6 |
935791 |
2435 |
- |
2552 |
= |
-117 |
* |
(55 |
/ |
340)
|
= |
-18.92647049 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Ninety-Ninth Street Elementary
|
-72 |
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 |
29594 |
2410 |
- |
2436 |
= |
-26 |
* |
(89 |
/ |
303)
|
= |
-7.63696367 |
4 |
29596 |
2445 |
- |
2485 |
= |
-40 |
* |
(95 |
/ |
303)
|
= |
-12.54125412 |
5 |
29599 |
2458 |
- |
2528 |
= |
-70 |
* |
(94 |
/ |
303)
|
= |
-21.71617161 |
6 |
29600 |
2464 |
- |
2552 |
= |
-88 |
* |
(25 |
/ |
303)
|
= |
-7.260726 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Ninety-Ninth Street 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 |
30159 |
2426 |
- |
2436 |
= |
-10 |
* |
(94 |
/ |
298)
|
= |
-3.15436241 |
4 |
30161 |
2464 |
- |
2485 |
= |
-21 |
* |
(83 |
/ |
298)
|
= |
-5.84899327 |
5 |
30164 |
2470 |
- |
2528 |
= |
-58 |
* |
(87 |
/ |
298)
|
= |
-16.93288586 |
6 |
30166 |
2418 |
- |
2552 |
= |
-134 |
* |
(34 |
/ |
298)
|
= |
-15.28859051 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Ninety-Ninth Street Elementary
|
-41 |
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 |
30208 |
2430 |
- |
2436 |
= |
-6 |
* |
(63 |
/ |
267)
|
= |
-1.41573034 |
4 |
30210 |
2445 |
- |
2485 |
= |
-40 |
* |
(92 |
/ |
267)
|
= |
-13.78277152 |
5 |
30212 |
2469 |
- |
2528 |
= |
-59 |
* |
(82 |
/ |
267)
|
= |
-18.11985014 |
6 |
30214 |
2488 |
- |
2552 |
= |
-64 |
* |
(30 |
/ |
267)
|
= |
-7.1910112 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Ninety-Ninth Street Elementary
|
-41 |
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 |
30383 |
2452 |
- |
2436 |
= |
16 |
* |
(68 |
/ |
247)
|
= |
4.40485829 |
4 |
30384 |
2477 |
- |
2485 |
= |
-8 |
* |
(62 |
/ |
247)
|
= |
-2.00809716 |
5 |
30385 |
2472 |
- |
2528 |
= |
-56 |
* |
(88 |
/ |
247)
|
= |
-19.95141697 |
6 |
30386 |
2491 |
- |
2552 |
= |
-61 |
* |
(29 |
/ |
247)
|
= |
-7.16194327 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Ninety-Ninth Street Elementary
|
-25 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-72
|
-49
|
-41
|
-41
|
-25
|
-228.0 |
-45.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 5.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -96.6
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: