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 |
797892 |
2410 |
- |
2436 |
= |
-26 |
* |
(70 |
/ |
209)
|
= |
-8.70813395 |
| 4 |
797893 |
2456 |
- |
2485 |
= |
-29 |
* |
(73 |
/ |
209)
|
= |
-10.12918658 |
| 5 |
797896 |
2467 |
- |
2528 |
= |
-61 |
* |
(66 |
/ |
209)
|
= |
-19.26315785 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Pacific Boulevard
|
-38 |
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 |
24941 |
2408 |
- |
2436 |
= |
-28 |
* |
(72 |
/ |
221)
|
= |
-9.12217194 |
| 4 |
24943 |
2443 |
- |
2485 |
= |
-42 |
* |
(69 |
/ |
221)
|
= |
-13.11312215 |
| 5 |
24944 |
2467 |
- |
2528 |
= |
-61 |
* |
(80 |
/ |
221)
|
= |
-22.08144795 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Pacific Boulevard
|
-44 |
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 |
25438 |
2426 |
- |
2436 |
= |
-10 |
* |
(73 |
/ |
214)
|
= |
-3.41121495 |
| 4 |
25440 |
2411 |
- |
2485 |
= |
-74 |
* |
(73 |
/ |
214)
|
= |
-25.24299063 |
| 5 |
25442 |
2464 |
- |
2528 |
= |
-64 |
* |
(68 |
/ |
214)
|
= |
-20.33644858 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Pacific Boulevard
|
-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 |
25464 |
2411 |
- |
2436 |
= |
-25 |
* |
(61 |
/ |
200)
|
= |
-7.625 |
| 4 |
25466 |
2446 |
- |
2485 |
= |
-39 |
* |
(67 |
/ |
200)
|
= |
-13.065 |
| 5 |
25468 |
2480 |
- |
2528 |
= |
-48 |
* |
(72 |
/ |
200)
|
= |
-17.28 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Pacific Boulevard
|
-38 |
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 |
25626 |
2438 |
- |
2436 |
= |
2 |
* |
(84 |
/ |
200)
|
= |
0.84 |
| 4 |
25627 |
2438 |
- |
2485 |
= |
-47 |
* |
(57 |
/ |
200)
|
= |
-13.395 |
| 5 |
25628 |
2483 |
- |
2528 |
= |
-45 |
* |
(59 |
/ |
200)
|
= |
-13.275 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Pacific Boulevard
|
-26 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-38
|
-44
|
-49
|
-38
|
-26
|
-195.0 |
-39.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -15.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -63.0
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:
