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 |
2360786 |
2386 |
- |
2436 |
= |
-50 |
* |
(58 |
/ |
162)
|
= |
-17.90123455 |
| 4 |
2360789 |
2421 |
- |
2485 |
= |
-64 |
* |
(54 |
/ |
162)
|
= |
-21.33333331 |
| 5 |
2360790 |
2426 |
- |
2528 |
= |
-102 |
* |
(50 |
/ |
162)
|
= |
-31.48148145 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Cleveland Elementary
|
-71 |
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 |
72129 |
2401 |
- |
2436 |
= |
-35 |
* |
(65 |
/ |
178)
|
= |
-12.78089887 |
| 4 |
72131 |
2405 |
- |
2485 |
= |
-80 |
* |
(58 |
/ |
178)
|
= |
-26.06741568 |
| 5 |
72133 |
2441 |
- |
2528 |
= |
-87 |
* |
(55 |
/ |
178)
|
= |
-26.88202247 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Cleveland Elementary
|
-66 |
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 |
74103 |
2410 |
- |
2436 |
= |
-26 |
* |
(64 |
/ |
182)
|
= |
-9.14285713 |
| 4 |
74105 |
2429 |
- |
2485 |
= |
-56 |
* |
(65 |
/ |
182)
|
= |
-19.99999999 |
| 5 |
74108 |
2443 |
- |
2528 |
= |
-85 |
* |
(53 |
/ |
182)
|
= |
-24.75274724 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Cleveland Elementary
|
-54 |
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 |
74277 |
2407 |
- |
2436 |
= |
-29 |
* |
(64 |
/ |
184)
|
= |
-10.08695649 |
| 4 |
74280 |
2407 |
- |
2485 |
= |
-78 |
* |
(56 |
/ |
184)
|
= |
-23.73913043 |
| 5 |
74281 |
2460 |
- |
2528 |
= |
-68 |
* |
(64 |
/ |
184)
|
= |
-23.65217385 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Cleveland Elementary
|
-57 |
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 |
74801 |
2365 |
- |
2436 |
= |
-71 |
* |
(61 |
/ |
170)
|
= |
-25.47647056 |
| 4 |
74802 |
2404 |
- |
2485 |
= |
-81 |
* |
(57 |
/ |
170)
|
= |
-27.15882348 |
| 5 |
74803 |
2431 |
- |
2528 |
= |
-97 |
* |
(52 |
/ |
170)
|
= |
-29.67058814 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Cleveland Elementary
|
-82 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-71
|
-66
|
-54
|
-57
|
-82
|
-330.0 |
-66.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -33.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -99.0
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:
