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 |
925079 |
2384 |
- |
2436 |
= |
-52 |
* |
(138 |
/ |
428)
|
= |
-16.76635511 |
| 4 |
925082 |
2420 |
- |
2485 |
= |
-65 |
* |
(139 |
/ |
428)
|
= |
-21.10981308 |
| 5 |
925083 |
2453 |
- |
2528 |
= |
-75 |
* |
(151 |
/ |
428)
|
= |
-26.46028035 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Loma Vista Elementary
|
-64 |
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 |
29245 |
2392 |
- |
2436 |
= |
-44 |
* |
(132 |
/ |
396)
|
= |
-14.66666665 |
| 4 |
29247 |
2423 |
- |
2485 |
= |
-62 |
* |
(131 |
/ |
396)
|
= |
-20.51010096 |
| 5 |
29248 |
2461 |
- |
2528 |
= |
-67 |
* |
(133 |
/ |
396)
|
= |
-22.5025252 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Loma Vista Elementary
|
-58 |
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 |
29810 |
2414 |
- |
2436 |
= |
-22 |
* |
(122 |
/ |
383)
|
= |
-7.0078329 |
| 4 |
29811 |
2424 |
- |
2485 |
= |
-61 |
* |
(132 |
/ |
383)
|
= |
-21.02349866 |
| 5 |
29813 |
2442 |
- |
2528 |
= |
-86 |
* |
(129 |
/ |
383)
|
= |
-28.96605741 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Loma Vista Elementary
|
-57 |
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 |
29858 |
2430 |
- |
2436 |
= |
-6 |
* |
(118 |
/ |
375)
|
= |
-1.888 |
| 4 |
29861 |
2442 |
- |
2485 |
= |
-43 |
* |
(127 |
/ |
375)
|
= |
-14.56266664 |
| 5 |
29862 |
2422 |
- |
2528 |
= |
-106 |
* |
(130 |
/ |
375)
|
= |
-36.7466666 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Loma Vista Elementary
|
-53 |
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 |
30034 |
2427 |
- |
2436 |
= |
-9 |
* |
(116 |
/ |
355)
|
= |
-2.94084507 |
| 4 |
30035 |
2440 |
- |
2485 |
= |
-45 |
* |
(112 |
/ |
355)
|
= |
-14.19718307 |
| 5 |
30036 |
2455 |
- |
2528 |
= |
-73 |
* |
(127 |
/ |
355)
|
= |
-26.11549289 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Loma Vista Elementary
|
-43 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-64
|
-58
|
-57
|
-53
|
-43
|
-275.0 |
-55.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -34.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -76.0
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:
