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 |
808036 |
2501 |
- |
2628 |
= |
-127 |
* |
(83 |
/ |
83)
|
= |
-127.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Contreras Learning Center-Los Angeles School of Global Studies
|
-127 |
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 |
25273 |
2540 |
- |
2628 |
= |
-88 |
* |
(59 |
/ |
59)
|
= |
-88.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Contreras Learning Center-Los Angeles School of Global Studies
|
-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 |
11 |
25754 |
2498 |
- |
2628 |
= |
-130 |
* |
(77 |
/ |
77)
|
= |
-130.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Contreras Learning Center-Los Angeles School of Global Studies
|
-130 |
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 |
25781 |
2472 |
- |
2628 |
= |
-156 |
* |
(78 |
/ |
78)
|
= |
-156.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Contreras Learning Center-Los Angeles School of Global Studies
|
-156 |
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 |
25932 |
2514 |
- |
2628 |
= |
-114 |
* |
(53 |
/ |
53)
|
= |
-114.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Contreras Learning Center-Los Angeles School of Global Studies
|
-114 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-127
|
-88
|
-130
|
-156
|
-114
|
-615.0 |
-123.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -51.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -195.0
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: