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 |
2379353 |
2293 |
- |
2436 |
= |
-143 |
* |
(36 |
/ |
113)
|
= |
-45.55752201 |
| 4 |
2379354 |
2348 |
- |
2485 |
= |
-137 |
* |
(45 |
/ |
113)
|
= |
-54.55752206 |
| 5 |
2379357 |
2358 |
- |
2528 |
= |
-170 |
* |
(32 |
/ |
113)
|
= |
-48.1415928 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Mission Education Center
|
-148 |
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 |
72659 |
2309 |
- |
2436 |
= |
-127 |
* |
(31 |
/ |
104)
|
= |
-37.85576922 |
| 4 |
72661 |
2347 |
- |
2485 |
= |
-138 |
* |
(38 |
/ |
104)
|
= |
-50.42307687 |
| 5 |
72663 |
2370 |
- |
2528 |
= |
-158 |
* |
(35 |
/ |
104)
|
= |
-53.17307684 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Mission Education Center
|
-141 |
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 |
74631 |
2285 |
- |
2436 |
= |
-151 |
* |
(21 |
/ |
106)
|
= |
-29.91509426 |
| 4 |
74633 |
2326 |
- |
2485 |
= |
-159 |
* |
(41 |
/ |
106)
|
= |
-61.49999987 |
| 5 |
74636 |
2363 |
- |
2528 |
= |
-165 |
* |
(44 |
/ |
106)
|
= |
-68.49056594 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Mission Education Center
|
-160 |
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 |
74805 |
2277 |
- |
2436 |
= |
-159 |
* |
(19 |
/ |
63)
|
= |
-47.95238086 |
| 4 |
74808 |
2285 |
- |
2485 |
= |
-200 |
* |
(17 |
/ |
63)
|
= |
-53.9682538 |
| 5 |
74809 |
2336 |
- |
2528 |
= |
-192 |
* |
(27 |
/ |
63)
|
= |
-82.28571418 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Mission Education Center
|
-184 |
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 |
75331 |
2279 |
- |
2436 |
= |
-157 |
* |
(18 |
/ |
72)
|
= |
-39.25 |
| 4 |
75332 |
2308 |
- |
2485 |
= |
-177 |
* |
(30 |
/ |
72)
|
= |
-73.74999988 |
| 5 |
75333 |
2303 |
- |
2528 |
= |
-225 |
* |
(24 |
/ |
72)
|
= |
-74.99999993 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Mission Education Center
|
-188 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-148
|
-141
|
-160
|
-184
|
-188
|
-821.0 |
-164.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -101.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -227.2
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:
