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 |
927685 |
2384 |
- |
2436 |
= |
-52 |
* |
(166 |
/ |
532)
|
= |
-16.2255639 |
| 4 |
927688 |
2411 |
- |
2485 |
= |
-74 |
* |
(154 |
/ |
532)
|
= |
-21.42105262 |
| 5 |
927689 |
2441 |
- |
2528 |
= |
-87 |
* |
(150 |
/ |
532)
|
= |
-24.53007517 |
| 6 |
927692 |
2443 |
- |
2552 |
= |
-109 |
* |
(62 |
/ |
532)
|
= |
-12.70300748 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Manchester Avenue Elementary
|
-75 |
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 |
29331 |
2396 |
- |
2436 |
= |
-40 |
* |
(140 |
/ |
528)
|
= |
-10.6060606 |
| 4 |
29333 |
2422 |
- |
2485 |
= |
-63 |
* |
(154 |
/ |
528)
|
= |
-18.37499996 |
| 5 |
29334 |
2444 |
- |
2528 |
= |
-84 |
* |
(144 |
/ |
528)
|
= |
-22.90909085 |
| 6 |
29337 |
2434 |
- |
2552 |
= |
-118 |
* |
(90 |
/ |
528)
|
= |
-20.11363631 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Manchester Avenue Elementary
|
-72 |
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 |
29895 |
2380 |
- |
2436 |
= |
-56 |
* |
(140 |
/ |
501)
|
= |
-15.64870255 |
| 4 |
29898 |
2415 |
- |
2485 |
= |
-70 |
* |
(131 |
/ |
501)
|
= |
-18.30339315 |
| 5 |
29899 |
2444 |
- |
2528 |
= |
-84 |
* |
(141 |
/ |
501)
|
= |
-23.6407185 |
| 6 |
29901 |
2423 |
- |
2552 |
= |
-129 |
* |
(89 |
/ |
501)
|
= |
-22.91616759 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Manchester Avenue Elementary
|
-81 |
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 |
29945 |
2400 |
- |
2436 |
= |
-36 |
* |
(140 |
/ |
470)
|
= |
-10.72340424 |
| 4 |
29946 |
2420 |
- |
2485 |
= |
-65 |
* |
(137 |
/ |
470)
|
= |
-18.94680847 |
| 5 |
29949 |
2445 |
- |
2528 |
= |
-83 |
* |
(118 |
/ |
470)
|
= |
-20.83829781 |
| 6 |
29950 |
2429 |
- |
2552 |
= |
-123 |
* |
(75 |
/ |
470)
|
= |
-19.62765956 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Manchester Avenue Elementary
|
-70 |
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 |
30119 |
2379 |
- |
2436 |
= |
-57 |
* |
(140 |
/ |
479)
|
= |
-16.65970772 |
| 4 |
30120 |
2424 |
- |
2485 |
= |
-61 |
* |
(144 |
/ |
479)
|
= |
-18.33820454 |
| 5 |
30121 |
2446 |
- |
2528 |
= |
-82 |
* |
(120 |
/ |
479)
|
= |
-20.54279744 |
| 6 |
30122 |
2493 |
- |
2552 |
= |
-59 |
* |
(75 |
/ |
479)
|
= |
-9.2379958 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Manchester Avenue Elementary
|
-65 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-75
|
-72
|
-81
|
-70
|
-65
|
-363.0 |
-72.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -57.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -87.6
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:
