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 |
865548 |
2528 |
- |
2628 |
= |
-100 |
* |
(77 |
/ |
77)
|
= |
-100.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Venice Senior High
|
-100 |
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 |
27374 |
2596 |
- |
2628 |
= |
-32 |
* |
(358 |
/ |
358)
|
= |
-32.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Venice Senior High
|
-32 |
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 |
27949 |
2590 |
- |
2628 |
= |
-38 |
* |
(347 |
/ |
347)
|
= |
-38.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Venice Senior High
|
-38 |
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 |
27999 |
2582 |
- |
2628 |
= |
-46 |
* |
(380 |
/ |
380)
|
= |
-46.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Venice Senior High
|
-46 |
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 |
28178 |
2569 |
- |
2628 |
= |
-59 |
* |
(400 |
/ |
400)
|
= |
-59.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Venice Senior High
|
-59 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-100
|
-32
|
-38
|
-46
|
-59
|
-275.0 |
-55.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 26.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -136.0
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: