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 |
940861 |
2380 |
- |
2436 |
= |
-56 |
* |
(119 |
/ |
360)
|
= |
-18.51111108 |
| 4 |
940862 |
2419 |
- |
2485 |
= |
-66 |
* |
(123 |
/ |
360)
|
= |
-22.54999996 |
| 5 |
940865 |
2439 |
- |
2528 |
= |
-89 |
* |
(118 |
/ |
360)
|
= |
-29.17222215 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for One Hundred Thirty-Fifth Street Elementary
|
-70 |
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 |
29764 |
2375 |
- |
2436 |
= |
-61 |
* |
(136 |
/ |
383)
|
= |
-21.66057436 |
| 4 |
29767 |
2416 |
- |
2485 |
= |
-69 |
* |
(122 |
/ |
383)
|
= |
-21.97911227 |
| 5 |
29769 |
2445 |
- |
2528 |
= |
-83 |
* |
(125 |
/ |
383)
|
= |
-27.08877283 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for One Hundred Thirty-Fifth Street Elementary
|
-71 |
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 |
30330 |
2387 |
- |
2436 |
= |
-49 |
* |
(134 |
/ |
393)
|
= |
-16.70737913 |
| 4 |
30332 |
2417 |
- |
2485 |
= |
-68 |
* |
(138 |
/ |
393)
|
= |
-23.87786258 |
| 5 |
30333 |
2440 |
- |
2528 |
= |
-88 |
* |
(121 |
/ |
393)
|
= |
-27.09414752 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for One Hundred Thirty-Fifth Street Elementary
|
-68 |
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 |
30381 |
2389 |
- |
2436 |
= |
-47 |
* |
(118 |
/ |
383)
|
= |
-14.48041772 |
| 4 |
30383 |
2414 |
- |
2485 |
= |
-71 |
* |
(130 |
/ |
383)
|
= |
-24.09921668 |
| 5 |
30385 |
2443 |
- |
2528 |
= |
-85 |
* |
(135 |
/ |
383)
|
= |
-29.96083545 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for One Hundred Thirty-Fifth Street Elementary
|
-69 |
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 |
30554 |
2397 |
- |
2436 |
= |
-39 |
* |
(115 |
/ |
361)
|
= |
-12.42382268 |
| 4 |
30555 |
2444 |
- |
2485 |
= |
-41 |
* |
(119 |
/ |
361)
|
= |
-13.51523545 |
| 5 |
30556 |
2475 |
- |
2528 |
= |
-53 |
* |
(127 |
/ |
361)
|
= |
-18.64542936 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for One Hundred Thirty-Fifth Street Elementary
|
-45 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-70
|
-71
|
-68
|
-69
|
-45
|
-323.0 |
-64.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -31.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -97.6
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:
