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 |
926670 |
2381 |
- |
2436 |
= |
-55 |
* |
(82 |
/ |
221)
|
= |
-20.40723977 |
| 4 |
926671 |
2450 |
- |
2485 |
= |
-35 |
* |
(67 |
/ |
221)
|
= |
-10.6108597 |
| 5 |
926674 |
2451 |
- |
2528 |
= |
-77 |
* |
(72 |
/ |
221)
|
= |
-25.08597284 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Loyola Village Fine And Performing Arts Magnet
|
-56 |
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 |
29294 |
2409 |
- |
2436 |
= |
-27 |
* |
(68 |
/ |
215)
|
= |
-8.53953486 |
| 4 |
29296 |
2467 |
- |
2485 |
= |
-18 |
* |
(81 |
/ |
215)
|
= |
-6.78139535 |
| 5 |
29299 |
2440 |
- |
2528 |
= |
-88 |
* |
(66 |
/ |
215)
|
= |
-27.01395347 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Loyola Village Fine And Performing Arts Magnet
|
-42 |
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 |
29859 |
2458 |
- |
2436 |
= |
22 |
* |
(64 |
/ |
214)
|
= |
6.57943924 |
| 4 |
29862 |
2445 |
- |
2485 |
= |
-40 |
* |
(74 |
/ |
214)
|
= |
-13.83177568 |
| 5 |
29864 |
2465 |
- |
2528 |
= |
-63 |
* |
(76 |
/ |
214)
|
= |
-22.37383172 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Loyola Village Fine And Performing Arts Magnet
|
-30 |
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 |
29909 |
2443 |
- |
2436 |
= |
7 |
* |
(67 |
/ |
211)
|
= |
2.22274882 |
| 4 |
29911 |
2466 |
- |
2485 |
= |
-19 |
* |
(68 |
/ |
211)
|
= |
-6.12322274 |
| 5 |
29913 |
2439 |
- |
2528 |
= |
-89 |
* |
(76 |
/ |
211)
|
= |
-32.056872 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Loyola Village Fine And Performing Arts Magnet
|
-36 |
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 |
30084 |
2441 |
- |
2436 |
= |
5 |
* |
(66 |
/ |
208)
|
= |
1.58653846 |
| 4 |
30085 |
2455 |
- |
2485 |
= |
-30 |
* |
(71 |
/ |
208)
|
= |
-10.24038459 |
| 5 |
30086 |
2464 |
- |
2528 |
= |
-64 |
* |
(71 |
/ |
208)
|
= |
-21.84615379 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Loyola Village Fine And Performing Arts Magnet
|
-30 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-56
|
-42
|
-30
|
-36
|
-30
|
-194.0 |
-38.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -8.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -68.8
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:
