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 |
210425 |
2408 |
- |
2436 |
= |
-28 |
* |
(75 |
/ |
201)
|
= |
-10.44776118 |
| 4 |
210428 |
2436 |
- |
2485 |
= |
-49 |
* |
(66 |
/ |
201)
|
= |
-16.08955219 |
| 5 |
210429 |
2458 |
- |
2528 |
= |
-70 |
* |
(60 |
/ |
201)
|
= |
-20.89552234 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Mountain View Elementary
|
-47 |
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 |
6238 |
2398 |
- |
2436 |
= |
-38 |
* |
(89 |
/ |
227)
|
= |
-14.89867839 |
| 4 |
6239 |
2424 |
- |
2485 |
= |
-61 |
* |
(72 |
/ |
227)
|
= |
-19.34801758 |
| 5 |
6242 |
2464 |
- |
2528 |
= |
-64 |
* |
(66 |
/ |
227)
|
= |
-18.60792947 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Mountain View Elementary
|
-53 |
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 |
6414 |
2440 |
- |
2436 |
= |
4 |
* |
(77 |
/ |
230)
|
= |
1.33913043 |
| 4 |
6416 |
2418 |
- |
2485 |
= |
-67 |
* |
(84 |
/ |
230)
|
= |
-24.4695652 |
| 5 |
6417 |
2445 |
- |
2528 |
= |
-83 |
* |
(69 |
/ |
230)
|
= |
-24.9 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Mountain View Elementary
|
-48 |
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 |
6409 |
2403 |
- |
2436 |
= |
-33 |
* |
(75 |
/ |
225)
|
= |
-10.99999999 |
| 4 |
6411 |
2453 |
- |
2485 |
= |
-32 |
* |
(73 |
/ |
225)
|
= |
-10.38222221 |
| 5 |
6413 |
2453 |
- |
2528 |
= |
-75 |
* |
(77 |
/ |
225)
|
= |
-25.66666665 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Mountain View 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 |
6469 |
2419 |
- |
2436 |
= |
-17 |
* |
(42 |
/ |
186)
|
= |
-3.83870967 |
| 4 |
6470 |
2449 |
- |
2485 |
= |
-36 |
* |
(74 |
/ |
186)
|
= |
-14.32258063 |
| 5 |
6471 |
2499 |
- |
2528 |
= |
-29 |
* |
(70 |
/ |
186)
|
= |
-10.91397849 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Mountain View Elementary
|
-29 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-47
|
-53
|
-48
|
-47
|
-29
|
-224.0 |
-44.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -17.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -71.8
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:
