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 |
887084 |
2380 |
- |
2436 |
= |
-56 |
* |
(54 |
/ |
168)
|
= |
-17.99999998 |
4 |
887087 |
2430 |
- |
2485 |
= |
-55 |
* |
(45 |
/ |
168)
|
= |
-14.73214281 |
5 |
887088 |
2460 |
- |
2528 |
= |
-68 |
* |
(47 |
/ |
168)
|
= |
-19.02380947 |
6 |
887091 |
2438 |
- |
2552 |
= |
-114 |
* |
(22 |
/ |
168)
|
= |
-14.92857132 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Charnock Road Elementary
|
-67 |
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 |
28051 |
2408 |
- |
2436 |
= |
-28 |
* |
(44 |
/ |
163)
|
= |
-7.5582822 |
4 |
28053 |
2439 |
- |
2485 |
= |
-46 |
* |
(50 |
/ |
163)
|
= |
-14.11042944 |
5 |
28055 |
2480 |
- |
2528 |
= |
-48 |
* |
(47 |
/ |
163)
|
= |
-13.84049078 |
6 |
28057 |
2461 |
- |
2552 |
= |
-91 |
* |
(22 |
/ |
163)
|
= |
-12.28220858 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Charnock Road Elementary
|
-48 |
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 |
28617 |
2429 |
- |
2436 |
= |
-7 |
* |
(43 |
/ |
146)
|
= |
-2.06164383 |
4 |
28619 |
2443 |
- |
2485 |
= |
-42 |
* |
(43 |
/ |
146)
|
= |
-12.36986297 |
5 |
28622 |
2458 |
- |
2528 |
= |
-70 |
* |
(45 |
/ |
146)
|
= |
-21.57534246 |
6 |
28624 |
2456 |
- |
2552 |
= |
-96 |
* |
(15 |
/ |
146)
|
= |
-9.8630137 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Charnock Road Elementary
|
-46 |
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 |
28669 |
2408 |
- |
2436 |
= |
-28 |
* |
(45 |
/ |
124)
|
= |
-10.1612903 |
4 |
28670 |
2461 |
- |
2485 |
= |
-24 |
* |
(38 |
/ |
124)
|
= |
-7.35483869 |
5 |
28673 |
2471 |
- |
2528 |
= |
-57 |
* |
(41 |
/ |
124)
|
= |
-18.84677418 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Charnock Road Elementary
|
-36 |
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 |
28848 |
2468 |
- |
2436 |
= |
32 |
* |
(35 |
/ |
116)
|
= |
9.65517238 |
4 |
28849 |
2451 |
- |
2485 |
= |
-34 |
* |
(42 |
/ |
116)
|
= |
-12.31034481 |
5 |
28850 |
2479 |
- |
2528 |
= |
-49 |
* |
(39 |
/ |
116)
|
= |
-16.4741379 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Charnock Road Elementary
|
-19 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-67
|
-48
|
-46
|
-36
|
-19
|
-216.0 |
-43.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 7.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -94.2
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: