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 |
870987 |
2377 |
- |
2436 |
= |
-59 |
* |
(24 |
/ |
54)
|
= |
-26.2222222 |
4 |
870988 |
0 |
- |
2485 |
= |
|
* |
(9 |
/ |
54)
|
= |
|
5 |
870991 |
2433 |
- |
2528 |
= |
-95 |
* |
(21 |
/ |
54)
|
= |
-36.94444436 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Ann Street Elementary
|
-63 |
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 |
27548 |
2392 |
- |
2436 |
= |
-44 |
* |
(16 |
/ |
54)
|
= |
-13.03703702 |
4 |
27551 |
2417 |
- |
2485 |
= |
-68 |
* |
(29 |
/ |
54)
|
= |
-36.51851852 |
5 |
27553 |
0 |
- |
2528 |
= |
|
* |
(9 |
/ |
54)
|
= |
|
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Ann Street Elementary
|
-50 |
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 |
28122 |
2358 |
- |
2436 |
= |
-78 |
* |
(20 |
/ |
62)
|
= |
-25.16129031 |
4 |
28123 |
2412 |
- |
2485 |
= |
-73 |
* |
(16 |
/ |
62)
|
= |
-18.83870967 |
5 |
28126 |
2425 |
- |
2528 |
= |
-103 |
* |
(26 |
/ |
62)
|
= |
-43.19354831 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Ann Street Elementary
|
-87 |
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 |
28172 |
2375 |
- |
2436 |
= |
-61 |
* |
(15 |
/ |
45)
|
= |
-20.33333331 |
4 |
28174 |
2419 |
- |
2485 |
= |
-66 |
* |
(15 |
/ |
45)
|
= |
-21.99999998 |
5 |
28176 |
2464 |
- |
2528 |
= |
-64 |
* |
(15 |
/ |
45)
|
= |
-21.33333331 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Ann Street Elementary
|
-64 |
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 |
28352 |
2387 |
- |
2436 |
= |
-49 |
* |
(17 |
/ |
47)
|
= |
-17.72340422 |
4 |
28353 |
2403 |
- |
2485 |
= |
-82 |
* |
(16 |
/ |
47)
|
= |
-27.91489354 |
5 |
28354 |
2472 |
- |
2528 |
= |
-56 |
* |
(14 |
/ |
47)
|
= |
-16.68085104 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Ann Street Elementary
|
-62 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-63
|
-50
|
-87
|
-64
|
-62
|
-326.0 |
-65.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -26.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -104.2
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: