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 |
11 |
818207 |
2552 |
- |
2628 |
= |
-76 |
* |
(361 |
/ |
361)
|
= |
-76.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Ramon C. Cortines School of Visual and Performing Arts
|
-76 |
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 |
11 |
25603 |
2566 |
- |
2628 |
= |
-62 |
* |
(382 |
/ |
382)
|
= |
-62.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Ramon C. Cortines School of Visual and Performing Arts
|
-62 |
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 |
11 |
26082 |
2540 |
- |
2628 |
= |
-88 |
* |
(343 |
/ |
343)
|
= |
-88.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Ramon C. Cortines School of Visual and Performing Arts
|
-88 |
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 |
11 |
26062 |
2546 |
- |
2628 |
= |
-82 |
* |
(347 |
/ |
347)
|
= |
-82.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Ramon C. Cortines School of Visual and Performing Arts
|
-82 |
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 |
11 |
26194 |
2525 |
- |
2628 |
= |
-103 |
* |
(298 |
/ |
298)
|
= |
-103.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Ramon C. Cortines School of Visual and Performing Arts
|
-103 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-76
|
-62
|
-88
|
-82
|
-103
|
-411.0 |
-82.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -37.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -127.2
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: