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 |
3 |
38667 |
2393 |
- |
2436 |
= |
-43 |
* |
( |
/ |
) |
= |
|
4 |
38669 |
2427 |
- |
2485 |
= |
-58 |
* |
( |
/ |
) |
= |
|
5 |
38671 |
2449 |
- |
2528 |
= |
-79 |
* |
( |
/ |
) |
= |
|
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for SBE - Barack Obama Charter
|
|
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 |
3 |
38643 |
2375 |
- |
2436 |
= |
-61 |
* |
( |
/ |
) |
= |
|
4 |
38645 |
2414 |
- |
2485 |
= |
-71 |
* |
( |
/ |
) |
= |
|
5 |
38647 |
2427 |
- |
2528 |
= |
-101 |
* |
( |
/ |
) |
= |
|
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for SBE - Barack Obama Charter
|
|
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 |
3 |
38808 |
2387 |
- |
2436 |
= |
-49 |
* |
( |
/ |
) |
= |
|
4 |
38809 |
2399 |
- |
2485 |
= |
-86 |
* |
( |
/ |
) |
= |
|
5 |
38810 |
2416 |
- |
2528 |
= |
-112 |
* |
( |
/ |
) |
= |
|
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for SBE - Barack Obama Charter
|
|
Last steps
Compute the average
2017 |
2018 |
2019 |
Sum |
Average |
|
|
|
0.0 |
0.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average:
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average:
For the lines, you have the data necessary to plot the chart.