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 |
941541 |
2391 |
- |
2436 |
= |
-45 |
* |
(60 |
/ |
177)
|
= |
-15.25423725 |
| 4 |
941542 |
2434 |
- |
2485 |
= |
-51 |
* |
(53 |
/ |
177)
|
= |
-15.27118643 |
| 5 |
941545 |
2460 |
- |
2528 |
= |
-68 |
* |
(64 |
/ |
177)
|
= |
-24.58757056 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Osceola Street Elementary
|
-55 |
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 |
29789 |
2371 |
- |
2436 |
= |
-65 |
* |
(51 |
/ |
166)
|
= |
-19.96987948 |
| 4 |
29791 |
2442 |
- |
2485 |
= |
-43 |
* |
(61 |
/ |
166)
|
= |
-15.8012048 |
| 5 |
29792 |
2448 |
- |
2528 |
= |
-80 |
* |
(54 |
/ |
166)
|
= |
-26.02409632 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Osceola Street Elementary
|
-62 |
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 |
30353 |
2389 |
- |
2436 |
= |
-47 |
* |
(46 |
/ |
151)
|
= |
-14.31788077 |
| 4 |
30356 |
2437 |
- |
2485 |
= |
-48 |
* |
(45 |
/ |
151)
|
= |
-14.30463576 |
| 5 |
30357 |
2468 |
- |
2528 |
= |
-60 |
* |
(60 |
/ |
151)
|
= |
-23.84105958 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Osceola Street Elementary
|
-52 |
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 |
30404 |
2393 |
- |
2436 |
= |
-43 |
* |
(52 |
/ |
153)
|
= |
-14.61437908 |
| 4 |
30407 |
2440 |
- |
2485 |
= |
-45 |
* |
(52 |
/ |
153)
|
= |
-15.29411765 |
| 5 |
30408 |
2464 |
- |
2528 |
= |
-64 |
* |
(49 |
/ |
153)
|
= |
-20.49673197 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Osceola Street Elementary
|
-50 |
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 |
30578 |
2390 |
- |
2436 |
= |
-46 |
* |
(45 |
/ |
149)
|
= |
-13.89261741 |
| 4 |
30579 |
2448 |
- |
2485 |
= |
-37 |
* |
(51 |
/ |
149)
|
= |
-12.66442952 |
| 5 |
30580 |
2456 |
- |
2528 |
= |
-72 |
* |
(53 |
/ |
149)
|
= |
-25.61073818 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Osceola Street Elementary
|
-52 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-55
|
-62
|
-52
|
-50
|
-52
|
-271.0 |
-54.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -42.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -66.2
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:
