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 |
902927 |
2331 |
- |
2436 |
= |
-105 |
* |
(67 |
/ |
187)
|
= |
-37.62032085 |
| 4 |
902928 |
2381 |
- |
2485 |
= |
-104 |
* |
(57 |
/ |
187)
|
= |
-31.70053474 |
| 5 |
902931 |
2401 |
- |
2528 |
= |
-127 |
* |
(63 |
/ |
187)
|
= |
-42.78609617 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Fifty-Ninth Street Elementary
|
-112 |
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 |
28531 |
2332 |
- |
2436 |
= |
-104 |
* |
(58 |
/ |
186)
|
= |
-32.43010742 |
| 4 |
28533 |
2372 |
- |
2485 |
= |
-113 |
* |
(71 |
/ |
186)
|
= |
-43.13440859 |
| 5 |
28535 |
2386 |
- |
2528 |
= |
-142 |
* |
(57 |
/ |
186)
|
= |
-43.5161289 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Fifty-Ninth Street Elementary
|
-119 |
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 |
29097 |
2357 |
- |
2436 |
= |
-79 |
* |
(61 |
/ |
161)
|
= |
-29.93167697 |
| 4 |
29099 |
2363 |
- |
2485 |
= |
-122 |
* |
(49 |
/ |
161)
|
= |
-37.13043477 |
| 5 |
29102 |
2371 |
- |
2528 |
= |
-157 |
* |
(51 |
/ |
161)
|
= |
-49.7329192 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Fifty-Ninth Street Elementary
|
-117 |
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 |
29147 |
2361 |
- |
2436 |
= |
-75 |
* |
(43 |
/ |
143)
|
= |
-22.5524475 |
| 4 |
29148 |
2391 |
- |
2485 |
= |
-94 |
* |
(51 |
/ |
143)
|
= |
-33.52447546 |
| 5 |
29151 |
2369 |
- |
2528 |
= |
-159 |
* |
(49 |
/ |
143)
|
= |
-54.48251738 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Fifty-Ninth Street Elementary
|
-111 |
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 |
29326 |
2381 |
- |
2436 |
= |
-55 |
* |
(43 |
/ |
130)
|
= |
-18.19230765 |
| 4 |
29327 |
2387 |
- |
2485 |
= |
-98 |
* |
(44 |
/ |
130)
|
= |
-33.16923072 |
| 5 |
29328 |
2420 |
- |
2528 |
= |
-108 |
* |
(43 |
/ |
130)
|
= |
-35.72307684 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Fifty-Ninth Street Elementary
|
-87 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-112
|
-119
|
-117
|
-111
|
-87
|
-546.0 |
-109.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -73.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -145.2
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:
