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 |
88289 |
2418 |
- |
2436 |
= |
-18 |
* |
(115 |
/ |
342)
|
= |
-6.05263156 |
4 |
88292 |
2456 |
- |
2485 |
= |
-29 |
* |
(114 |
/ |
342)
|
= |
-9.66666666 |
5 |
88293 |
2475 |
- |
2528 |
= |
-53 |
* |
(113 |
/ |
342)
|
= |
-17.51169587 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Franklin Elementary
|
-33 |
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 |
2476 |
2417 |
- |
2436 |
= |
-19 |
* |
(131 |
/ |
359)
|
= |
-6.93314761 |
4 |
2478 |
2459 |
- |
2485 |
= |
-26 |
* |
(119 |
/ |
359)
|
= |
-8.6183844 |
5 |
2480 |
2476 |
- |
2528 |
= |
-52 |
* |
(109 |
/ |
359)
|
= |
-15.78830079 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Franklin Elementary
|
-31 |
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 |
2547 |
2415 |
- |
2436 |
= |
-21 |
* |
(99 |
/ |
336)
|
= |
-6.1875 |
4 |
2550 |
2436 |
- |
2485 |
= |
-49 |
* |
(121 |
/ |
336)
|
= |
-17.6458333 |
5 |
2552 |
2475 |
- |
2528 |
= |
-53 |
* |
(116 |
/ |
336)
|
= |
-18.29761904 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Franklin Elementary
|
-42 |
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 |
2552 |
2403 |
- |
2436 |
= |
-33 |
* |
(127 |
/ |
338)
|
= |
-12.39940825 |
4 |
2554 |
2456 |
- |
2485 |
= |
-29 |
* |
(93 |
/ |
338)
|
= |
-7.97928991 |
5 |
2556 |
2472 |
- |
2528 |
= |
-56 |
* |
(118 |
/ |
338)
|
= |
-19.55029586 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Franklin Elementary
|
-40 |
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 |
2573 |
2404 |
- |
2436 |
= |
-32 |
* |
(101 |
/ |
301)
|
= |
-10.7375415 |
4 |
2574 |
2435 |
- |
2485 |
= |
-50 |
* |
(114 |
/ |
301)
|
= |
-18.93687705 |
5 |
2575 |
2480 |
- |
2528 |
= |
-48 |
* |
(86 |
/ |
301)
|
= |
-13.71428568 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Franklin Elementary
|
-43 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-33
|
-31
|
-42
|
-40
|
-43
|
-189.0 |
-37.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -22.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -52.8
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: