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 |
939728 |
2352 |
- |
2436 |
= |
-84 |
* |
(56 |
/ |
161)
|
= |
-29.21739122 |
4 |
939729 |
2411 |
- |
2485 |
= |
-74 |
* |
(52 |
/ |
161)
|
= |
-23.90062108 |
5 |
939732 |
2413 |
- |
2528 |
= |
-115 |
* |
(53 |
/ |
161)
|
= |
-37.85714279 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for One Hundred Fifty-Third Street
|
-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 |
29724 |
2358 |
- |
2436 |
= |
-78 |
* |
(58 |
/ |
176)
|
= |
-25.70454541 |
4 |
29726 |
2384 |
- |
2485 |
= |
-101 |
* |
(62 |
/ |
176)
|
= |
-35.57954543 |
5 |
29728 |
2436 |
- |
2528 |
= |
-92 |
* |
(56 |
/ |
176)
|
= |
-29.27272726 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for One Hundred Fifty-Third Street
|
-91 |
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 |
30289 |
2376 |
- |
2436 |
= |
-60 |
* |
(56 |
/ |
181)
|
= |
-18.5635359 |
4 |
30292 |
2396 |
- |
2485 |
= |
-89 |
* |
(61 |
/ |
181)
|
= |
-29.99447509 |
5 |
30294 |
2401 |
- |
2528 |
= |
-127 |
* |
(64 |
/ |
181)
|
= |
-44.90607732 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for One Hundred Fifty-Third Street
|
-93 |
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 |
30339 |
2352 |
- |
2436 |
= |
-84 |
* |
(61 |
/ |
200)
|
= |
-25.62 |
4 |
30340 |
2416 |
- |
2485 |
= |
-69 |
* |
(58 |
/ |
200)
|
= |
-20.01 |
5 |
30343 |
2434 |
- |
2528 |
= |
-94 |
* |
(55 |
/ |
200)
|
= |
-25.85 |
6 |
30344 |
2455 |
- |
2552 |
= |
-97 |
* |
(26 |
/ |
200)
|
= |
-12.61 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for One Hundred Fifty-Third Street
|
-84 |
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 |
30513 |
2388 |
- |
2436 |
= |
-48 |
* |
(60 |
/ |
201)
|
= |
-14.32835818 |
4 |
30514 |
2394 |
- |
2485 |
= |
-91 |
* |
(60 |
/ |
201)
|
= |
-27.16417904 |
5 |
30515 |
2479 |
- |
2528 |
= |
-49 |
* |
(49 |
/ |
201)
|
= |
-11.94527361 |
6 |
30516 |
2478 |
- |
2552 |
= |
-74 |
* |
(32 |
/ |
201)
|
= |
-11.78109452 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for One Hundred Fifty-Third Street
|
-65 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-91
|
-91
|
-93
|
-84
|
-65
|
-424.0 |
-84.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -51.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -117.8
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: