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 |
799702 |
2422 |
- |
2436 |
= |
-14 |
* |
(62 |
/ |
211)
|
= |
-4.11374407 |
| 4 |
799703 |
2441 |
- |
2485 |
= |
-44 |
* |
(69 |
/ |
211)
|
= |
-14.38862559 |
| 5 |
799706 |
2444 |
- |
2528 |
= |
-84 |
* |
(80 |
/ |
211)
|
= |
-31.8483412 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Kingsley Elementary
|
-50 |
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 |
25005 |
2400 |
- |
2436 |
= |
-36 |
* |
(69 |
/ |
197)
|
= |
-12.60913705 |
| 4 |
25006 |
2464 |
- |
2485 |
= |
-21 |
* |
(60 |
/ |
197)
|
= |
-6.39593907 |
| 5 |
25009 |
2449 |
- |
2528 |
= |
-79 |
* |
(68 |
/ |
197)
|
= |
-27.26903546 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Kingsley Elementary
|
-46 |
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 |
25501 |
2435 |
- |
2436 |
= |
-1 |
* |
(79 |
/ |
194)
|
= |
-0.40721649 |
| 4 |
25504 |
2454 |
- |
2485 |
= |
-31 |
* |
(63 |
/ |
194)
|
= |
-10.06701031 |
| 5 |
25505 |
2498 |
- |
2528 |
= |
-30 |
* |
(52 |
/ |
194)
|
= |
-8.04123711 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Kingsley Elementary
|
-19 |
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 |
25528 |
2428 |
- |
2436 |
= |
-8 |
* |
(68 |
/ |
203)
|
= |
-2.67980295 |
| 4 |
25531 |
2460 |
- |
2485 |
= |
-25 |
* |
(76 |
/ |
203)
|
= |
-9.3596059 |
| 5 |
25532 |
2492 |
- |
2528 |
= |
-36 |
* |
(59 |
/ |
203)
|
= |
-10.46305418 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Kingsley Elementary
|
-23 |
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 |
25690 |
2444 |
- |
2436 |
= |
8 |
* |
(61 |
/ |
197)
|
= |
2.47715736 |
| 4 |
25691 |
2453 |
- |
2485 |
= |
-32 |
* |
(60 |
/ |
197)
|
= |
-9.74619286 |
| 5 |
25692 |
2472 |
- |
2528 |
= |
-56 |
* |
(76 |
/ |
197)
|
= |
-21.60406091 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Kingsley Elementary
|
-29 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-50
|
-46
|
-19
|
-23
|
-29
|
-167.0 |
-33.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 5.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -72.4
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:
