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 |
903157 |
2367 |
- |
2436 |
= |
-69 |
* |
(138 |
/ |
408)
|
= |
-23.33823529 |
| 4 |
903158 |
2409 |
- |
2485 |
= |
-76 |
* |
(138 |
/ |
408)
|
= |
-25.70588234 |
| 5 |
903161 |
2410 |
- |
2528 |
= |
-118 |
* |
(132 |
/ |
408)
|
= |
-38.1764705 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Fifty-Second Street Elementary
|
-87 |
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 |
28538 |
2379 |
- |
2436 |
= |
-57 |
* |
(120 |
/ |
389)
|
= |
-17.58354753 |
| 4 |
28541 |
2411 |
- |
2485 |
= |
-74 |
* |
(131 |
/ |
389)
|
= |
-24.92030845 |
| 5 |
28543 |
2451 |
- |
2528 |
= |
-77 |
* |
(138 |
/ |
389)
|
= |
-27.31619537 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Fifty-Second Street Elementary
|
-70 |
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 |
29106 |
2374 |
- |
2436 |
= |
-62 |
* |
(139 |
/ |
380)
|
= |
-22.67894733 |
| 4 |
29108 |
2405 |
- |
2485 |
= |
-80 |
* |
(116 |
/ |
380)
|
= |
-24.42105256 |
| 5 |
29110 |
2445 |
- |
2528 |
= |
-83 |
* |
(125 |
/ |
380)
|
= |
-27.30263154 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Fifty-Second Street Elementary
|
-74 |
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 |
29154 |
2381 |
- |
2436 |
= |
-55 |
* |
(149 |
/ |
391)
|
= |
-20.95907924 |
| 4 |
29156 |
2424 |
- |
2485 |
= |
-61 |
* |
(125 |
/ |
391)
|
= |
-19.50127873 |
| 5 |
29158 |
2446 |
- |
2528 |
= |
-82 |
* |
(117 |
/ |
391)
|
= |
-24.53708435 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Fifty-Second Street Elementary
|
-65 |
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 |
29334 |
2354 |
- |
2436 |
= |
-82 |
* |
(116 |
/ |
378)
|
= |
-25.16402109 |
| 4 |
29335 |
2419 |
- |
2485 |
= |
-66 |
* |
(136 |
/ |
378)
|
= |
-23.74603169 |
| 5 |
29336 |
2422 |
- |
2528 |
= |
-106 |
* |
(126 |
/ |
378)
|
= |
-35.3333333 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Fifty-Second Street Elementary
|
-84 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-87
|
-70
|
-74
|
-65
|
-84
|
-380.0 |
-76.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -49.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -103.0
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:
