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 |
957646 |
2353 |
- |
2436 |
= |
-83 |
* |
(111 |
/ |
328)
|
= |
-28.08841462 |
| 4 |
957649 |
2390 |
- |
2485 |
= |
-95 |
* |
(118 |
/ |
328)
|
= |
-34.17682922 |
| 5 |
957650 |
2434 |
- |
2528 |
= |
-94 |
* |
(99 |
/ |
328)
|
= |
-28.37195119 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Sixth Avenue Elementary
|
-91 |
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 |
30298 |
2338 |
- |
2436 |
= |
-98 |
* |
(96 |
/ |
316)
|
= |
-29.77215186 |
| 4 |
30301 |
2402 |
- |
2485 |
= |
-83 |
* |
(110 |
/ |
316)
|
= |
-28.892405 |
| 5 |
30303 |
2443 |
- |
2528 |
= |
-85 |
* |
(110 |
/ |
316)
|
= |
-29.58860753 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Sixth Avenue Elementary
|
-88 |
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 |
30864 |
2354 |
- |
2436 |
= |
-82 |
* |
(108 |
/ |
301)
|
= |
-29.42192685 |
| 4 |
30866 |
2361 |
- |
2485 |
= |
-124 |
* |
(89 |
/ |
301)
|
= |
-36.66445181 |
| 5 |
30868 |
2424 |
- |
2528 |
= |
-104 |
* |
(104 |
/ |
301)
|
= |
-35.9335548 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Sixth Avenue Elementary
|
-102 |
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 |
30911 |
2366 |
- |
2436 |
= |
-70 |
* |
(61 |
/ |
262)
|
= |
-16.29770989 |
| 4 |
30913 |
2394 |
- |
2485 |
= |
-91 |
* |
(111 |
/ |
262)
|
= |
-38.5534351 |
| 5 |
30915 |
2415 |
- |
2528 |
= |
-113 |
* |
(90 |
/ |
262)
|
= |
-38.81679385 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Sixth Avenue Elementary
|
-94 |
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 |
31086 |
2376 |
- |
2436 |
= |
-60 |
* |
(84 |
/ |
241)
|
= |
-20.91286302 |
| 4 |
31087 |
2405 |
- |
2485 |
= |
-80 |
* |
(53 |
/ |
241)
|
= |
-17.59336096 |
| 5 |
31088 |
2440 |
- |
2528 |
= |
-88 |
* |
(104 |
/ |
241)
|
= |
-37.97510367 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Sixth Avenue Elementary
|
-76 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-91
|
-88
|
-102
|
-94
|
-76
|
-451.0 |
-90.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -63.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -117.2
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:
