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 |
872730 |
2382 |
- |
2436 |
= |
-54 |
* |
(152 |
/ |
448)
|
= |
-18.32142856 |
| 4 |
872733 |
2398 |
- |
2485 |
= |
-87 |
* |
(158 |
/ |
448)
|
= |
-30.68303568 |
| 5 |
872734 |
2439 |
- |
2528 |
= |
-89 |
* |
(138 |
/ |
448)
|
= |
-27.41517855 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Ascot Avenue Elementary
|
-76 |
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 |
27609 |
2405 |
- |
2436 |
= |
-31 |
* |
(143 |
/ |
430)
|
= |
-10.30930231 |
| 4 |
27610 |
2435 |
- |
2485 |
= |
-50 |
* |
(144 |
/ |
430)
|
= |
-16.744186 |
| 5 |
27613 |
2461 |
- |
2528 |
= |
-67 |
* |
(143 |
/ |
430)
|
= |
-22.28139531 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Ascot Avenue Elementary
|
-49 |
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 |
28179 |
2392 |
- |
2436 |
= |
-44 |
* |
(136 |
/ |
410)
|
= |
-14.59512195 |
| 4 |
28181 |
2438 |
- |
2485 |
= |
-47 |
* |
(138 |
/ |
410)
|
= |
-15.81951216 |
| 5 |
28184 |
2487 |
- |
2528 |
= |
-41 |
* |
(136 |
/ |
410)
|
= |
-13.6 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Ascot Avenue Elementary
|
-44 |
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 |
28231 |
2389 |
- |
2436 |
= |
-47 |
* |
(127 |
/ |
397)
|
= |
-15.03526447 |
| 4 |
28233 |
2442 |
- |
2485 |
= |
-43 |
* |
(139 |
/ |
397)
|
= |
-15.05541559 |
| 5 |
28235 |
2477 |
- |
2528 |
= |
-51 |
* |
(131 |
/ |
397)
|
= |
-16.82871536 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Ascot Avenue Elementary
|
-47 |
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 |
28410 |
2365 |
- |
2436 |
= |
-71 |
* |
(133 |
/ |
402)
|
= |
-23.49004974 |
| 4 |
28411 |
2431 |
- |
2485 |
= |
-54 |
* |
(127 |
/ |
402)
|
= |
-17.05970149 |
| 5 |
28412 |
2447 |
- |
2528 |
= |
-81 |
* |
(142 |
/ |
402)
|
= |
-28.61194023 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Ascot Avenue Elementary
|
-69 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-76
|
-49
|
-44
|
-47
|
-69
|
-285.0 |
-57.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -15.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -99.0
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:
