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 |
6 |
981184 |
2477 |
- |
2552 |
= |
-75 |
* |
(312 |
/ |
919)
|
= |
-25.46245913 |
7 |
981187 |
2479 |
- |
2567 |
= |
-88 |
* |
(306 |
/ |
919)
|
= |
-29.30141456 |
8 |
981188 |
2491 |
- |
2586 |
= |
-95 |
* |
(301 |
/ |
919)
|
= |
-31.11534269 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Andrew Carnegie Middle
|
-86 |
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 |
4 |
31047 |
0 |
- |
2485 |
= |
|
* |
(0 |
/ |
910)
|
= |
|
6 |
31048 |
2442 |
- |
2552 |
= |
-110 |
* |
(279 |
/ |
910)
|
= |
-33.72527466 |
7 |
31050 |
2486 |
- |
2567 |
= |
-81 |
* |
(323 |
/ |
910)
|
= |
-28.75054937 |
8 |
31053 |
2489 |
- |
2586 |
= |
-97 |
* |
(308 |
/ |
910)
|
= |
-32.83076919 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Andrew Carnegie Middle
|
-95 |
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 |
6 |
31610 |
2452 |
- |
2552 |
= |
-100 |
* |
(289 |
/ |
898)
|
= |
-32.182628 |
7 |
31612 |
2463 |
- |
2567 |
= |
-104 |
* |
(294 |
/ |
898)
|
= |
-34.04899774 |
8 |
31613 |
2504 |
- |
2586 |
= |
-82 |
* |
(315 |
/ |
898)
|
= |
-28.76391982 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Andrew Carnegie Middle
|
-95 |
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 |
6 |
31655 |
2474 |
- |
2552 |
= |
-78 |
* |
(263 |
/ |
828)
|
= |
-24.7753623 |
7 |
31656 |
2469 |
- |
2567 |
= |
-98 |
* |
(286 |
/ |
828)
|
= |
-33.85024154 |
8 |
31658 |
2507 |
- |
2586 |
= |
-79 |
* |
(279 |
/ |
828)
|
= |
-26.61956516 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Andrew Carnegie Middle
|
-85 |
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 |
6 |
31832 |
2487 |
- |
2552 |
= |
-65 |
* |
(245 |
/ |
769)
|
= |
-20.70871257 |
7 |
31833 |
2481 |
- |
2567 |
= |
-86 |
* |
(258 |
/ |
769)
|
= |
-28.8530559 |
8 |
31834 |
2502 |
- |
2586 |
= |
-84 |
* |
(266 |
/ |
769)
|
= |
-29.05591676 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Andrew Carnegie Middle
|
-79 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-86
|
-95
|
-95
|
-85
|
-79
|
-440.0 |
-88.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -70.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -106.0
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: