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 |
62808 |
2433 |
- |
2436 |
= |
-3 |
* |
(55 |
/ |
55)
|
= |
-3.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Dolores Huerta International Academy
|
-3 |
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 |
62889 |
2421 |
- |
2436 |
= |
-15 |
* |
(54 |
/ |
110)
|
= |
-7.36363635 |
4 |
62890 |
2468 |
- |
2485 |
= |
-17 |
* |
(56 |
/ |
110)
|
= |
-8.65454545 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Dolores Huerta International Academy
|
-16 |
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 |
63157 |
2422 |
- |
2436 |
= |
-14 |
* |
(98 |
/ |
207)
|
= |
-6.62801931 |
4 |
63158 |
2458 |
- |
2485 |
= |
-27 |
* |
(55 |
/ |
207)
|
= |
-7.17391304 |
5 |
63159 |
2493 |
- |
2528 |
= |
-35 |
* |
(54 |
/ |
207)
|
= |
-9.13043478 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Dolores Huerta International Academy
|
-23 |
Last steps
Compute the average
2017 |
2018 |
2019 |
Sum |
Average |
-3
|
-16
|
-23
|
-42.0 |
-14.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 16.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -44.0
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: