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 |
852749 |
2513 |
- |
2628 |
= |
-115 |
* |
(522 |
/ |
522)
|
= |
-115.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Phineas Banning Senior High
|
-115 |
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 |
26970 |
2546 |
- |
2628 |
= |
-82 |
* |
(274 |
/ |
274)
|
= |
-82.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Phineas Banning Senior High
|
-82 |
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 |
27551 |
2533 |
- |
2628 |
= |
-95 |
* |
(400 |
/ |
400)
|
= |
-95.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Phineas Banning Senior High
|
-95 |
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 |
27597 |
2518 |
- |
2628 |
= |
-110 |
* |
(524 |
/ |
524)
|
= |
-110.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Phineas Banning Senior High
|
-110 |
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 |
27780 |
2553 |
- |
2628 |
= |
-75 |
* |
(461 |
/ |
461)
|
= |
-75.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Phineas Banning Senior High
|
-75 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-115
|
-82
|
-95
|
-110
|
-75
|
-477.0 |
-95.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -44.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -146.4
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: