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 |
2366208 |
2398 |
- |
2436 |
= |
-38 |
* |
(76 |
/ |
210)
|
= |
-13.75238092 |
| 4 |
2366211 |
2456 |
- |
2485 |
= |
-29 |
* |
(75 |
/ |
210)
|
= |
-10.35714285 |
| 5 |
2366212 |
2452 |
- |
2528 |
= |
-76 |
* |
(59 |
/ |
210)
|
= |
-21.35238088 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Hillcrest Elementary
|
-45 |
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 |
72288 |
2424 |
- |
2436 |
= |
-12 |
* |
(76 |
/ |
218)
|
= |
-4.18348624 |
| 4 |
72289 |
2407 |
- |
2485 |
= |
-78 |
* |
(71 |
/ |
218)
|
= |
-25.40366969 |
| 5 |
72292 |
2458 |
- |
2528 |
= |
-70 |
* |
(71 |
/ |
218)
|
= |
-22.79816511 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Hillcrest Elementary
|
-52 |
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 |
74262 |
2442 |
- |
2436 |
= |
6 |
* |
(77 |
/ |
218)
|
= |
2.11926605 |
| 4 |
74264 |
2430 |
- |
2485 |
= |
-55 |
* |
(72 |
/ |
218)
|
= |
-18.1651376 |
| 5 |
74265 |
2427 |
- |
2528 |
= |
-101 |
* |
(69 |
/ |
218)
|
= |
-31.96788986 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Hillcrest 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 |
74435 |
2478 |
- |
2436 |
= |
42 |
* |
(67 |
/ |
203)
|
= |
13.86206896 |
| 4 |
74438 |
2424 |
- |
2485 |
= |
-61 |
* |
(72 |
/ |
203)
|
= |
-21.63546792 |
| 5 |
74439 |
2454 |
- |
2528 |
= |
-74 |
* |
(64 |
/ |
203)
|
= |
-23.33004919 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Hillcrest Elementary
|
-31 |
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 |
74959 |
2542 |
- |
2436 |
= |
106 |
* |
(65 |
/ |
198)
|
= |
34.79797977 |
| 4 |
74960 |
2420 |
- |
2485 |
= |
-65 |
* |
(69 |
/ |
198)
|
= |
-22.65151512 |
| 5 |
74961 |
2475 |
- |
2528 |
= |
-53 |
* |
(64 |
/ |
198)
|
= |
-17.13131312 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Hillcrest Elementary
|
-5 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-45
|
-52
|
-48
|
-31
|
-5
|
-181.0 |
-36.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 20.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -93.2
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:
