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 |
2242221 |
2363 |
- |
2436 |
= |
-73 |
* |
(59 |
/ |
163)
|
= |
-26.42331287 |
| 4 |
2242222 |
2396 |
- |
2485 |
= |
-89 |
* |
(54 |
/ |
163)
|
= |
-29.48466253 |
| 5 |
2242224 |
2410 |
- |
2528 |
= |
-118 |
* |
(50 |
/ |
163)
|
= |
-36.19631899 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Burbank Elementary
|
-92 |
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 |
68826 |
2368 |
- |
2436 |
= |
-68 |
* |
(71 |
/ |
176)
|
= |
-27.43181812 |
| 4 |
68828 |
2392 |
- |
2485 |
= |
-93 |
* |
(56 |
/ |
176)
|
= |
-29.59090907 |
| 5 |
68829 |
2417 |
- |
2528 |
= |
-111 |
* |
(49 |
/ |
176)
|
= |
-30.90340899 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Burbank Elementary
|
-88 |
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 |
70659 |
2396 |
- |
2436 |
= |
-40 |
* |
(53 |
/ |
178)
|
= |
-11.91011232 |
| 4 |
70660 |
2410 |
- |
2485 |
= |
-75 |
* |
(63 |
/ |
178)
|
= |
-26.5449438 |
| 5 |
70662 |
2402 |
- |
2528 |
= |
-126 |
* |
(62 |
/ |
178)
|
= |
-43.88764036 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Burbank Elementary
|
-82 |
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 |
70806 |
2391 |
- |
2436 |
= |
-45 |
* |
(61 |
/ |
188)
|
= |
-14.60106383 |
| 4 |
70808 |
2417 |
- |
2485 |
= |
-68 |
* |
(61 |
/ |
188)
|
= |
-22.06382978 |
| 5 |
70810 |
2449 |
- |
2528 |
= |
-79 |
* |
(66 |
/ |
188)
|
= |
-27.73404249 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Burbank Elementary
|
-64 |
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 |
71293 |
2416 |
- |
2436 |
= |
-20 |
* |
(59 |
/ |
177)
|
= |
-6.66666666 |
| 4 |
71294 |
2418 |
- |
2485 |
= |
-67 |
* |
(61 |
/ |
177)
|
= |
-23.09039546 |
| 5 |
71295 |
2437 |
- |
2528 |
= |
-91 |
* |
(57 |
/ |
177)
|
= |
-29.30508472 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Burbank Elementary
|
-59 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-92
|
-88
|
-82
|
-64
|
-59
|
-385.0 |
-77.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -35.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -119.0
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:
