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 |
882189 |
2380 |
- |
2436 |
= |
-56 |
* |
(121 |
/ |
347)
|
= |
-19.52737752 |
| 4 |
882192 |
2421 |
- |
2485 |
= |
-64 |
* |
(110 |
/ |
347)
|
= |
-20.28818438 |
| 5 |
882193 |
2440 |
- |
2528 |
= |
-88 |
* |
(116 |
/ |
347)
|
= |
-29.41786742 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Camellia Avenue Elementary
|
-69 |
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 |
27909 |
2369 |
- |
2436 |
= |
-67 |
* |
(100 |
/ |
320)
|
= |
-20.9375 |
| 4 |
27910 |
2428 |
- |
2485 |
= |
-57 |
* |
(114 |
/ |
320)
|
= |
-20.30625 |
| 5 |
27913 |
2463 |
- |
2528 |
= |
-65 |
* |
(106 |
/ |
320)
|
= |
-21.53125 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Camellia Avenue Elementary
|
-63 |
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 |
28476 |
2379 |
- |
2436 |
= |
-57 |
* |
(100 |
/ |
315)
|
= |
-18.09523807 |
| 4 |
28477 |
2410 |
- |
2485 |
= |
-75 |
* |
(98 |
/ |
315)
|
= |
-23.33333333 |
| 5 |
28480 |
2450 |
- |
2528 |
= |
-78 |
* |
(117 |
/ |
315)
|
= |
-28.97142854 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Camellia Avenue Elementary
|
-70 |
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 |
28527 |
2374 |
- |
2436 |
= |
-62 |
* |
(103 |
/ |
292)
|
= |
-21.86986301 |
| 4 |
28529 |
2425 |
- |
2485 |
= |
-60 |
* |
(90 |
/ |
292)
|
= |
-18.49315068 |
| 5 |
28531 |
2429 |
- |
2528 |
= |
-99 |
* |
(99 |
/ |
292)
|
= |
-33.56506841 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Camellia Avenue Elementary
|
-74 |
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 |
28706 |
2385 |
- |
2436 |
= |
-51 |
* |
(93 |
/ |
271)
|
= |
-17.50184498 |
| 4 |
28707 |
2431 |
- |
2485 |
= |
-54 |
* |
(85 |
/ |
271)
|
= |
-16.93726934 |
| 5 |
28708 |
2446 |
- |
2528 |
= |
-82 |
* |
(93 |
/ |
271)
|
= |
-28.14022134 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Camellia Avenue Elementary
|
-63 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-69
|
-63
|
-70
|
-74
|
-63
|
-339.0 |
-67.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -55.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -79.8
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:
