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 |
855339 |
2523 |
- |
2628 |
= |
-105 |
* |
(269 |
/ |
269)
|
= |
-105.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Canoga Park Senior High
|
-105 |
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 |
27063 |
2539 |
- |
2628 |
= |
-89 |
* |
(254 |
/ |
254)
|
= |
-89.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Canoga Park Senior High
|
-89 |
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 |
27642 |
2531 |
- |
2628 |
= |
-97 |
* |
(246 |
/ |
246)
|
= |
-97.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Canoga Park Senior High
|
-97 |
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 |
27689 |
2525 |
- |
2628 |
= |
-103 |
* |
(230 |
/ |
230)
|
= |
-103.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Canoga Park Senior High
|
-103 |
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 |
27872 |
2514 |
- |
2628 |
= |
-114 |
* |
(265 |
/ |
265)
|
= |
-114.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Canoga Park Senior High
|
-114 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-105
|
-89
|
-97
|
-103
|
-114
|
-508.0 |
-101.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -74.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -128.6
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: