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 |
800870 |
2528 |
- |
2628 |
= |
-100 |
* |
(292 |
/ |
292)
|
= |
-100.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Maywood Academy 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 |
25047 |
2543 |
- |
2628 |
= |
-85 |
* |
(306 |
/ |
306)
|
= |
-85.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Maywood Academy High
|
-85 |
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 |
25544 |
2521 |
- |
2628 |
= |
-107 |
* |
(240 |
/ |
240)
|
= |
-107.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Maywood Academy High
|
-107 |
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 |
25571 |
2524 |
- |
2628 |
= |
-104 |
* |
(232 |
/ |
232)
|
= |
-104.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Maywood Academy High
|
-104 |
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 |
25730 |
2548 |
- |
2628 |
= |
-80 |
* |
(181 |
/ |
181)
|
= |
-80.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Maywood Academy High
|
-80 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-100
|
-85
|
-107
|
-104
|
-80
|
-476.0 |
-95.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -62.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -128.2
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: