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 |
209840 |
2388 |
- |
2436 |
= |
-48 |
* |
(146 |
/ |
415)
|
= |
-16.88674694 |
| 4 |
209841 |
2443 |
- |
2485 |
= |
-42 |
* |
(140 |
/ |
415)
|
= |
-14.16867467 |
| 5 |
209844 |
2435 |
- |
2528 |
= |
-93 |
* |
(129 |
/ |
415)
|
= |
-28.90843369 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Meadow Homes 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 |
6222 |
2393 |
- |
2436 |
= |
-43 |
* |
(131 |
/ |
434)
|
= |
-12.97926263 |
| 4 |
6223 |
2421 |
- |
2485 |
= |
-64 |
* |
(167 |
/ |
434)
|
= |
-24.62672806 |
| 5 |
6225 |
2464 |
- |
2528 |
= |
-64 |
* |
(136 |
/ |
434)
|
= |
-20.05529952 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Meadow Homes Elementary
|
-58 |
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 |
6397 |
2395 |
- |
2436 |
= |
-41 |
* |
(158 |
/ |
459)
|
= |
-14.11328974 |
| 4 |
6399 |
2415 |
- |
2485 |
= |
-70 |
* |
(134 |
/ |
459)
|
= |
-20.43572979 |
| 5 |
6402 |
2440 |
- |
2528 |
= |
-88 |
* |
(167 |
/ |
459)
|
= |
-32.01742914 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Meadow Homes Elementary
|
-67 |
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 |
6393 |
2387 |
- |
2436 |
= |
-49 |
* |
(155 |
/ |
442)
|
= |
-17.18325792 |
| 4 |
6395 |
2430 |
- |
2485 |
= |
-55 |
* |
(152 |
/ |
442)
|
= |
-18.91402711 |
| 5 |
6397 |
2458 |
- |
2528 |
= |
-70 |
* |
(135 |
/ |
442)
|
= |
-21.38009048 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Meadow Homes Elementary
|
-57 |
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 |
6453 |
2396 |
- |
2436 |
= |
-40 |
* |
(134 |
/ |
446)
|
= |
-12.0179372 |
| 4 |
6454 |
2428 |
- |
2485 |
= |
-57 |
* |
(163 |
/ |
446)
|
= |
-20.83183856 |
| 5 |
6455 |
2445 |
- |
2528 |
= |
-83 |
* |
(149 |
/ |
446)
|
= |
-27.72869951 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Meadow Homes Elementary
|
-61 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-60
|
-58
|
-67
|
-57
|
-61
|
-303.0 |
-60.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -51.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -69.6
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:
