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 |
908372 |
2356 |
- |
2436 |
= |
-80 |
* |
(69 |
/ |
234)
|
= |
-23.58974352 |
4 |
908373 |
2403 |
- |
2485 |
= |
-82 |
* |
(79 |
/ |
234)
|
= |
-27.68376063 |
5 |
908376 |
2409 |
- |
2528 |
= |
-119 |
* |
(86 |
/ |
234)
|
= |
-43.73504267 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Glassell Park ES Science, Technology, Engineering, Arts and Math Magnet
|
-95 |
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 |
28709 |
2371 |
- |
2436 |
= |
-65 |
* |
(73 |
/ |
216)
|
= |
-21.96759253 |
4 |
28711 |
2403 |
- |
2485 |
= |
-82 |
* |
(68 |
/ |
216)
|
= |
-25.81481475 |
5 |
28712 |
2407 |
- |
2528 |
= |
-121 |
* |
(75 |
/ |
216)
|
= |
-42.01388886 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Glassell Park ES Science, Technology, Engineering, Arts and Math Magnet
|
-90 |
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 |
29274 |
2390 |
- |
2436 |
= |
-46 |
* |
(55 |
/ |
191)
|
= |
-13.24607329 |
4 |
29276 |
2414 |
- |
2485 |
= |
-71 |
* |
(68 |
/ |
191)
|
= |
-25.27748688 |
5 |
29278 |
2415 |
- |
2528 |
= |
-113 |
* |
(68 |
/ |
191)
|
= |
-40.23036645 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Glassell Park ES Science, Technology, Engineering, Arts and Math Magnet
|
-79 |
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 |
29323 |
2394 |
- |
2436 |
= |
-42 |
* |
(53 |
/ |
169)
|
= |
-13.17159761 |
4 |
29325 |
2420 |
- |
2485 |
= |
-65 |
* |
(54 |
/ |
169)
|
= |
-20.76923076 |
5 |
29327 |
2421 |
- |
2528 |
= |
-107 |
* |
(62 |
/ |
169)
|
= |
-39.25443784 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Glassell Park ES Science, Technology, Engineering, Arts and Math Magnet
|
-73 |
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 |
29498 |
2396 |
- |
2436 |
= |
-40 |
* |
(52 |
/ |
162)
|
= |
-12.83950616 |
4 |
29499 |
2440 |
- |
2485 |
= |
-45 |
* |
(50 |
/ |
162)
|
= |
-13.88888888 |
5 |
29500 |
2446 |
- |
2528 |
= |
-82 |
* |
(60 |
/ |
162)
|
= |
-30.37037034 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Glassell Park ES Science, Technology, Engineering, Arts and Math Magnet
|
-57 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-95
|
-90
|
-79
|
-73
|
-57
|
-394.0 |
-78.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -36.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -120.8
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: