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 |
1005370 |
2443 |
- |
2552 |
= |
-109 |
* |
(165 |
/ |
585)
|
= |
-30.74358974 |
7 |
1005373 |
2473 |
- |
2567 |
= |
-94 |
* |
(206 |
/ |
585)
|
= |
-33.10085469 |
8 |
1005374 |
2500 |
- |
2586 |
= |
-86 |
* |
(214 |
/ |
585)
|
= |
-31.45982899 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Pio Pico Middle
|
-95 |
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 |
6 |
31720 |
2446 |
- |
2552 |
= |
-106 |
* |
(155 |
/ |
498)
|
= |
-32.99196777 |
7 |
31722 |
2514 |
- |
2567 |
= |
-53 |
* |
(154 |
/ |
498)
|
= |
-16.38955819 |
8 |
31724 |
2538 |
- |
2586 |
= |
-48 |
* |
(189 |
/ |
498)
|
= |
-18.21686746 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Pio Pico Middle
|
-68 |
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 |
32273 |
2447 |
- |
2552 |
= |
-105 |
* |
(146 |
/ |
463)
|
= |
-33.11015117 |
7 |
32276 |
2505 |
- |
2567 |
= |
-62 |
* |
(159 |
/ |
463)
|
= |
-21.29157661 |
8 |
32277 |
2539 |
- |
2586 |
= |
-47 |
* |
(158 |
/ |
463)
|
= |
-16.03887685 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Pio Pico Middle
|
-70 |
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 |
32301 |
2481 |
- |
2552 |
= |
-71 |
* |
(165 |
/ |
480)
|
= |
-24.40625 |
7 |
32303 |
2497 |
- |
2567 |
= |
-70 |
* |
(160 |
/ |
480)
|
= |
-23.33333331 |
8 |
32305 |
2530 |
- |
2586 |
= |
-56 |
* |
(155 |
/ |
480)
|
= |
-18.0833333 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Pio Pico Middle
|
-66 |
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 |
32482 |
2492 |
- |
2552 |
= |
-60 |
* |
(154 |
/ |
477)
|
= |
-19.37106918 |
7 |
32483 |
2521 |
- |
2567 |
= |
-46 |
* |
(169 |
/ |
477)
|
= |
-16.29769388 |
8 |
32484 |
2487 |
- |
2586 |
= |
-99 |
* |
(154 |
/ |
477)
|
= |
-31.96226415 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Pio Pico Middle
|
-68 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-95
|
-68
|
-70
|
-66
|
-68
|
-367.0 |
-73.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -37.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -109.4
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: