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 |
2255083 |
2381 |
- |
2436 |
= |
-55 |
* |
(79 |
/ |
220)
|
= |
-19.75 |
| 4 |
2255086 |
2448 |
- |
2485 |
= |
-37 |
* |
(71 |
/ |
220)
|
= |
-11.94090906 |
| 5 |
2255087 |
2434 |
- |
2528 |
= |
-94 |
* |
(70 |
/ |
220)
|
= |
-29.90909089 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Linda Vista Elementary
|
-62 |
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 |
69200 |
2404 |
- |
2436 |
= |
-32 |
* |
(59 |
/ |
208)
|
= |
-9.07692307 |
| 4 |
69202 |
2434 |
- |
2485 |
= |
-51 |
* |
(80 |
/ |
208)
|
= |
-19.61538458 |
| 5 |
69204 |
2473 |
- |
2528 |
= |
-55 |
* |
(69 |
/ |
208)
|
= |
-18.2451923 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Linda Vista Elementary
|
-47 |
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 |
71033 |
2404 |
- |
2436 |
= |
-32 |
* |
(63 |
/ |
199)
|
= |
-10.13065325 |
| 4 |
71035 |
2439 |
- |
2485 |
= |
-46 |
* |
(59 |
/ |
199)
|
= |
-13.63819095 |
| 5 |
71037 |
2462 |
- |
2528 |
= |
-66 |
* |
(77 |
/ |
199)
|
= |
-25.53768842 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Linda Vista Elementary
|
-49 |
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 |
71177 |
2373 |
- |
2436 |
= |
-63 |
* |
(38 |
/ |
158)
|
= |
-15.15189873 |
| 4 |
71180 |
2440 |
- |
2485 |
= |
-45 |
* |
(60 |
/ |
158)
|
= |
-17.08860758 |
| 5 |
71181 |
2470 |
- |
2528 |
= |
-58 |
* |
(60 |
/ |
158)
|
= |
-22.02531643 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Linda Vista Elementary
|
-54 |
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 |
71665 |
2369 |
- |
2436 |
= |
-67 |
* |
(61 |
/ |
163)
|
= |
-25.07361958 |
| 4 |
71666 |
2428 |
- |
2485 |
= |
-57 |
* |
(43 |
/ |
163)
|
= |
-15.03680976 |
| 5 |
71667 |
2492 |
- |
2528 |
= |
-36 |
* |
(59 |
/ |
163)
|
= |
-13.03067484 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Linda Vista Elementary
|
-53 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-62
|
-47
|
-49
|
-54
|
-53
|
-265.0 |
-53.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -38.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -68.0
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:
