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 |
923053 |
2383 |
- |
2436 |
= |
-53 |
* |
(115 |
/ |
301)
|
= |
-20.2491694 |
4 |
923056 |
2417 |
- |
2485 |
= |
-68 |
* |
(92 |
/ |
301)
|
= |
-20.78405312 |
5 |
923057 |
2461 |
- |
2528 |
= |
-67 |
* |
(94 |
/ |
301)
|
= |
-20.92358799 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Liberty Boulevard Elementary
|
-62 |
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 |
29179 |
2414 |
- |
2436 |
= |
-22 |
* |
(96 |
/ |
290)
|
= |
-7.2827586 |
4 |
29181 |
2413 |
- |
2485 |
= |
-72 |
* |
(106 |
/ |
290)
|
= |
-26.31724135 |
5 |
29182 |
2464 |
- |
2528 |
= |
-64 |
* |
(88 |
/ |
290)
|
= |
-19.4206896 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Liberty Boulevard Elementary
|
-53 |
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 |
29744 |
2404 |
- |
2436 |
= |
-32 |
* |
(103 |
/ |
306)
|
= |
-10.77124182 |
4 |
29745 |
2423 |
- |
2485 |
= |
-62 |
* |
(98 |
/ |
306)
|
= |
-19.85620909 |
5 |
29748 |
2453 |
- |
2528 |
= |
-75 |
* |
(105 |
/ |
306)
|
= |
-25.73529405 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Liberty Boulevard Elementary
|
-56 |
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 |
29793 |
2398 |
- |
2436 |
= |
-38 |
* |
(85 |
/ |
284)
|
= |
-11.37323941 |
4 |
29795 |
2446 |
- |
2485 |
= |
-39 |
* |
(104 |
/ |
284)
|
= |
-14.28169014 |
5 |
29797 |
2457 |
- |
2528 |
= |
-71 |
* |
(95 |
/ |
284)
|
= |
-23.74999998 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Liberty Boulevard Elementary
|
-49 |
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 |
29968 |
2390 |
- |
2436 |
= |
-46 |
* |
(96 |
/ |
278)
|
= |
-15.88489209 |
4 |
29969 |
2437 |
- |
2485 |
= |
-48 |
* |
(86 |
/ |
278)
|
= |
-14.84892082 |
5 |
29970 |
2456 |
- |
2528 |
= |
-72 |
* |
(96 |
/ |
278)
|
= |
-24.86330935 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Liberty Boulevard Elementary
|
-56 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-62
|
-53
|
-56
|
-49
|
-56
|
-276.0 |
-55.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -43.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -67.2
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: