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 |
935293 |
2409 |
- |
2436 |
= |
-27 |
* |
(73 |
/ |
199)
|
= |
-9.90452259 |
| 4 |
935294 |
2443 |
- |
2485 |
= |
-42 |
* |
(63 |
/ |
199)
|
= |
-13.29648239 |
| 5 |
935297 |
2477 |
- |
2528 |
= |
-51 |
* |
(63 |
/ |
199)
|
= |
-16.14572861 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Newcastle Elementary
|
-39 |
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 |
29578 |
2400 |
- |
2436 |
= |
-36 |
* |
(79 |
/ |
214)
|
= |
-13.28971961 |
| 4 |
29580 |
2470 |
- |
2485 |
= |
-15 |
* |
(71 |
/ |
214)
|
= |
-4.9766355 |
| 5 |
29583 |
2486 |
- |
2528 |
= |
-42 |
* |
(64 |
/ |
214)
|
= |
-12.56074764 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Newcastle Elementary
|
-31 |
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 |
30144 |
2396 |
- |
2436 |
= |
-40 |
* |
(59 |
/ |
198)
|
= |
-11.91919188 |
| 4 |
30146 |
2459 |
- |
2485 |
= |
-26 |
* |
(73 |
/ |
198)
|
= |
-9.58585857 |
| 5 |
30148 |
2486 |
- |
2528 |
= |
-42 |
* |
(66 |
/ |
198)
|
= |
-13.99999999 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Newcastle Elementary
|
-36 |
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 |
30192 |
2391 |
- |
2436 |
= |
-45 |
* |
(79 |
/ |
203)
|
= |
-17.51231525 |
| 4 |
30195 |
2441 |
- |
2485 |
= |
-44 |
* |
(54 |
/ |
203)
|
= |
-11.70443349 |
| 5 |
30196 |
2512 |
- |
2528 |
= |
-16 |
* |
(70 |
/ |
203)
|
= |
-5.51724138 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Newcastle Elementary
|
-35 |
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 |
30366 |
2406 |
- |
2436 |
= |
-30 |
* |
(43 |
/ |
169)
|
= |
-7.63313607 |
| 4 |
30367 |
2462 |
- |
2485 |
= |
-23 |
* |
(75 |
/ |
169)
|
= |
-10.20710059 |
| 5 |
30368 |
2488 |
- |
2528 |
= |
-40 |
* |
(51 |
/ |
169)
|
= |
-12.07100588 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Newcastle Elementary
|
-30 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-39
|
-31
|
-36
|
-35
|
-30
|
-171.0 |
-34.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -25.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -43.2
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:
