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 |
844541 |
2579 |
- |
2628 |
= |
-49 |
* |
(147 |
/ |
147)
|
= |
-49.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Linda Esperanza Marquez High B LIBRA Academy
|
-49 |
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 |
26537 |
2577 |
- |
2628 |
= |
-51 |
* |
(154 |
/ |
154)
|
= |
-51.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Linda Esperanza Marquez High B LIBRA Academy
|
-51 |
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 |
27021 |
2563 |
- |
2628 |
= |
-65 |
* |
(145 |
/ |
145)
|
= |
-65.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Linda Esperanza Marquez High B LIBRA Academy
|
-65 |
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 |
26983 |
2588 |
- |
2628 |
= |
-40 |
* |
(147 |
/ |
147)
|
= |
-40.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Linda Esperanza Marquez High B LIBRA Academy
|
-40 |
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 |
27106 |
2591 |
- |
2628 |
= |
-37 |
* |
(174 |
/ |
174)
|
= |
-37.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Linda Esperanza Marquez High B LIBRA Academy
|
-37 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-49
|
-51
|
-65
|
-40
|
-37
|
-242.0 |
-48.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -18.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -78.4
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: