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 |
6 |
980583 |
2479 |
- |
2552 |
= |
-73 |
* |
(76 |
/ |
855)
|
= |
-6.48888882 |
7 |
980584 |
2519 |
- |
2567 |
= |
-48 |
* |
(382 |
/ |
855)
|
= |
-21.445614 |
8 |
980587 |
2513 |
- |
2586 |
= |
-73 |
* |
(397 |
/ |
855)
|
= |
-33.89590641 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Luther Burbank Middle
|
-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 |
6 |
31030 |
2493 |
- |
2552 |
= |
-59 |
* |
(95 |
/ |
814)
|
= |
-6.88574934 |
7 |
31033 |
2510 |
- |
2567 |
= |
-57 |
* |
(348 |
/ |
814)
|
= |
-24.36855034 |
8 |
31035 |
2555 |
- |
2586 |
= |
-31 |
* |
(371 |
/ |
814)
|
= |
-14.12899261 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Luther Burbank Middle
|
-45 |
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 |
6 |
31594 |
2486 |
- |
2552 |
= |
-66 |
* |
(193 |
/ |
878)
|
= |
-14.50797262 |
7 |
31595 |
2529 |
- |
2567 |
= |
-38 |
* |
(360 |
/ |
878)
|
= |
-15.5808656 |
8 |
31598 |
2545 |
- |
2586 |
= |
-41 |
* |
(325 |
/ |
878)
|
= |
-15.17653757 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Luther Burbank Middle
|
-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 |
6 |
31639 |
2489 |
- |
2552 |
= |
-63 |
* |
(283 |
/ |
977)
|
= |
-18.24872055 |
7 |
31641 |
2537 |
- |
2567 |
= |
-30 |
* |
(347 |
/ |
977)
|
= |
-10.65506652 |
8 |
31643 |
2558 |
- |
2586 |
= |
-28 |
* |
(347 |
/ |
977)
|
= |
-9.94472875 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Luther Burbank Middle
|
-39 |
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 |
6 |
31816 |
2498 |
- |
2552 |
= |
-54 |
* |
(280 |
/ |
1027)
|
= |
-14.72249266 |
7 |
31817 |
2544 |
- |
2567 |
= |
-23 |
* |
(407 |
/ |
1027)
|
= |
-9.11489775 |
8 |
31818 |
2561 |
- |
2586 |
= |
-25 |
* |
(340 |
/ |
1027)
|
= |
-8.27653358 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Luther Burbank Middle
|
-32 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-62
|
-45
|
-45
|
-39
|
-32
|
-223.0 |
-44.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -11.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -77.6
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: