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 |
3 |
905851 |
2363 |
- |
2436 |
= |
-73 |
* |
(68 |
/ |
220)
|
= |
-22.56363636 |
4 |
905852 |
2409 |
- |
2485 |
= |
-76 |
* |
(72 |
/ |
220)
|
= |
-24.87272725 |
5 |
905855 |
2446 |
- |
2528 |
= |
-82 |
* |
(80 |
/ |
220)
|
= |
-29.81818177 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Fries Avenue Elementary
|
-77 |
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 |
3 |
28632 |
2389 |
- |
2436 |
= |
-47 |
* |
(99 |
/ |
230)
|
= |
-20.23043475 |
4 |
28634 |
2420 |
- |
2485 |
= |
-65 |
* |
(64 |
/ |
230)
|
= |
-18.08695649 |
5 |
28636 |
2470 |
- |
2528 |
= |
-58 |
* |
(67 |
/ |
230)
|
= |
-16.89565213 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Fries Avenue Elementary
|
-55 |
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 |
29200 |
2419 |
- |
2436 |
= |
-17 |
* |
(89 |
/ |
249)
|
= |
-6.07630521 |
4 |
29201 |
2447 |
- |
2485 |
= |
-38 |
* |
(87 |
/ |
249)
|
= |
-13.27710842 |
5 |
29203 |
2448 |
- |
2528 |
= |
-80 |
* |
(73 |
/ |
249)
|
= |
-23.4538152 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Fries Avenue Elementary
|
-43 |
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 |
29248 |
2379 |
- |
2436 |
= |
-57 |
* |
(76 |
/ |
250)
|
= |
-17.328 |
4 |
29250 |
2438 |
- |
2485 |
= |
-47 |
* |
(88 |
/ |
250)
|
= |
-16.544 |
5 |
29252 |
2468 |
- |
2528 |
= |
-60 |
* |
(86 |
/ |
250)
|
= |
-20.64 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Fries Avenue Elementary
|
-55 |
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 |
29426 |
2388 |
- |
2436 |
= |
-48 |
* |
(83 |
/ |
251)
|
= |
-15.87250992 |
4 |
29427 |
2422 |
- |
2485 |
= |
-63 |
* |
(77 |
/ |
251)
|
= |
-19.3266932 |
5 |
29428 |
2472 |
- |
2528 |
= |
-56 |
* |
(91 |
/ |
251)
|
= |
-20.3027888 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Fries Avenue Elementary
|
-56 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-77
|
-55
|
-43
|
-55
|
-56
|
-286.0 |
-57.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -21.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -93.2
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: