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 |
905333 |
2405 |
- |
2436 |
= |
-31 |
* |
(159 |
/ |
485)
|
= |
-10.16288658 |
| 4 |
905334 |
2421 |
- |
2485 |
= |
-64 |
* |
(182 |
/ |
485)
|
= |
-24.01649478 |
| 5 |
905337 |
2442 |
- |
2528 |
= |
-86 |
* |
(144 |
/ |
485)
|
= |
-25.53402058 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Fourth Street Elementary
|
-60 |
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 |
28616 |
2413 |
- |
2436 |
= |
-23 |
* |
(149 |
/ |
465)
|
= |
-7.36989246 |
| 4 |
28619 |
2434 |
- |
2485 |
= |
-51 |
* |
(153 |
/ |
465)
|
= |
-16.78064516 |
| 5 |
28620 |
2433 |
- |
2528 |
= |
-95 |
* |
(163 |
/ |
465)
|
= |
-33.30107523 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Fourth Street Elementary
|
-57 |
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 |
29184 |
2401 |
- |
2436 |
= |
-35 |
* |
(152 |
/ |
434)
|
= |
-12.25806449 |
| 4 |
29186 |
2445 |
- |
2485 |
= |
-40 |
* |
(148 |
/ |
434)
|
= |
-13.64055296 |
| 5 |
29188 |
2444 |
- |
2528 |
= |
-84 |
* |
(134 |
/ |
434)
|
= |
-25.93548384 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Fourth Street Elementary
|
-52 |
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 |
29232 |
2402 |
- |
2436 |
= |
-34 |
* |
(122 |
/ |
403)
|
= |
-10.29280395 |
| 4 |
29234 |
2438 |
- |
2485 |
= |
-47 |
* |
(145 |
/ |
403)
|
= |
-16.91066994 |
| 5 |
29236 |
2446 |
- |
2528 |
= |
-82 |
* |
(136 |
/ |
403)
|
= |
-27.67245652 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Fourth Street Elementary
|
-55 |
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 |
29410 |
2389 |
- |
2436 |
= |
-47 |
* |
(100 |
/ |
360)
|
= |
-13.05555552 |
| 4 |
29411 |
2440 |
- |
2485 |
= |
-45 |
* |
(125 |
/ |
360)
|
= |
-15.62499999 |
| 5 |
29412 |
2454 |
- |
2528 |
= |
-74 |
* |
(135 |
/ |
360)
|
= |
-27.75 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Fourth Street Elementary
|
-56 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-60
|
-57
|
-52
|
-55
|
-56
|
-280.0 |
-56.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -50.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -62.0
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:
