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 |
907228 |
2407 |
- |
2436 |
= |
-29 |
* |
(57 |
/ |
222)
|
= |
-7.44594592 |
| 4 |
907229 |
2462 |
- |
2485 |
= |
-23 |
* |
(50 |
/ |
222)
|
= |
-5.18018018 |
| 5 |
907232 |
2464 |
- |
2528 |
= |
-64 |
* |
(58 |
/ |
222)
|
= |
-16.7207207 |
| 6 |
907233 |
2501 |
- |
2552 |
= |
-51 |
* |
(57 |
/ |
222)
|
= |
-13.09459456 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Garvanza Elementary
|
-42 |
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 |
28675 |
2408 |
- |
2436 |
= |
-28 |
* |
(45 |
/ |
201)
|
= |
-6.26865672 |
| 4 |
28677 |
2442 |
- |
2485 |
= |
-43 |
* |
(58 |
/ |
201)
|
= |
-12.40796016 |
| 5 |
28678 |
2453 |
- |
2528 |
= |
-75 |
* |
(50 |
/ |
201)
|
= |
-18.65671635 |
| 6 |
28681 |
2521 |
- |
2552 |
= |
-31 |
* |
(48 |
/ |
201)
|
= |
-7.40298507 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Garvanza Elementary
|
-45 |
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 |
29240 |
2396 |
- |
2436 |
= |
-40 |
* |
(50 |
/ |
191)
|
= |
-10.47120416 |
| 4 |
29242 |
2436 |
- |
2485 |
= |
-49 |
* |
(46 |
/ |
191)
|
= |
-11.8010471 |
| 5 |
29243 |
2462 |
- |
2528 |
= |
-66 |
* |
(56 |
/ |
191)
|
= |
-19.35078532 |
| 6 |
29245 |
2519 |
- |
2552 |
= |
-33 |
* |
(39 |
/ |
191)
|
= |
-6.73821987 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Garvanza Elementary
|
-48 |
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 |
29289 |
2430 |
- |
2436 |
= |
-6 |
* |
(42 |
/ |
183)
|
= |
-1.37704918 |
| 4 |
29291 |
2430 |
- |
2485 |
= |
-55 |
* |
(47 |
/ |
183)
|
= |
-14.12568306 |
| 5 |
29293 |
2474 |
- |
2528 |
= |
-54 |
* |
(48 |
/ |
183)
|
= |
-14.16393437 |
| 6 |
29295 |
2500 |
- |
2552 |
= |
-52 |
* |
(46 |
/ |
183)
|
= |
-13.07103824 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Garvanza Elementary
|
-43 |
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 |
29466 |
2460 |
- |
2436 |
= |
24 |
* |
(48 |
/ |
141)
|
= |
8.17021274 |
| 4 |
29467 |
2459 |
- |
2485 |
= |
-26 |
* |
(45 |
/ |
141)
|
= |
-8.29787234 |
| 5 |
29468 |
2495 |
- |
2528 |
= |
-33 |
* |
(48 |
/ |
141)
|
= |
-11.23404252 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Garvanza Elementary
|
-11 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-42
|
-45
|
-48
|
-43
|
-11
|
-189.0 |
-37.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 7.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -82.8
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:
