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 |
1874649 |
2385 |
- |
2436 |
= |
-51 |
* |
(57 |
/ |
153)
|
= |
-18.99999997 |
4 |
1874650 |
2410 |
- |
2485 |
= |
-75 |
* |
(56 |
/ |
153)
|
= |
-27.45098033 |
5 |
1874653 |
2454 |
- |
2528 |
= |
-74 |
* |
(40 |
/ |
153)
|
= |
-19.34640519 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Carriage Drive Elementary
|
-66 |
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 |
57847 |
2407 |
- |
2436 |
= |
-29 |
* |
(120 |
/ |
320)
|
= |
-10.875 |
4 |
57848 |
2422 |
- |
2485 |
= |
-63 |
* |
(92 |
/ |
320)
|
= |
-18.1125 |
5 |
57851 |
2479 |
- |
2528 |
= |
-49 |
* |
(108 |
/ |
320)
|
= |
-16.5375 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Carriage Drive Elementary
|
-46 |
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 |
59541 |
2405 |
- |
2436 |
= |
-31 |
* |
(104 |
/ |
304)
|
= |
-10.60526315 |
4 |
59544 |
2440 |
- |
2485 |
= |
-45 |
* |
(112 |
/ |
304)
|
= |
-16.57894734 |
5 |
59545 |
2468 |
- |
2528 |
= |
-60 |
* |
(88 |
/ |
304)
|
= |
-17.36842104 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Carriage Drive Elementary
|
-45 |
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 |
59658 |
2414 |
- |
2436 |
= |
-22 |
* |
(102 |
/ |
294)
|
= |
-7.63265305 |
4 |
59660 |
2439 |
- |
2485 |
= |
-46 |
* |
(94 |
/ |
294)
|
= |
-14.70748299 |
5 |
59662 |
2462 |
- |
2528 |
= |
-66 |
* |
(98 |
/ |
294)
|
= |
-21.99999998 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Carriage Drive Elementary
|
-44 |
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 |
59915 |
2377 |
- |
2436 |
= |
-59 |
* |
(78 |
/ |
271)
|
= |
-16.9815498 |
4 |
59916 |
2445 |
- |
2485 |
= |
-40 |
* |
(97 |
/ |
271)
|
= |
-14.31734316 |
5 |
59917 |
2491 |
- |
2528 |
= |
-37 |
* |
(96 |
/ |
271)
|
= |
-13.10701105 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Carriage Drive Elementary
|
-44 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-66
|
-46
|
-45
|
-44
|
-44
|
-245.0 |
-49.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -22.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -76.0
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: