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 |
814360 |
2550 |
- |
2628 |
= |
-78 |
* |
(70 |
/ |
70)
|
= |
-78.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Contreras Learning Center-Academic Leadership Community
|
-78 |
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 |
25481 |
2569 |
- |
2628 |
= |
-59 |
* |
(64 |
/ |
64)
|
= |
-59.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Contreras Learning Center-Academic Leadership Community
|
-59 |
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 |
25962 |
2557 |
- |
2628 |
= |
-71 |
* |
(77 |
/ |
77)
|
= |
-71.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Contreras Learning Center-Academic Leadership Community
|
-71 |
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 |
25940 |
2526 |
- |
2628 |
= |
-102 |
* |
(64 |
/ |
64)
|
= |
-102.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Contreras Learning Center-Academic Leadership Community
|
-102 |
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 |
26084 |
2524 |
- |
2628 |
= |
-104 |
* |
(84 |
/ |
84)
|
= |
-104.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Contreras Learning Center-Academic Leadership Community
|
-104 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-78
|
-59
|
-71
|
-102
|
-104
|
-414.0 |
-82.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -25.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -139.8
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: