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 |
906609 |
2386 |
- |
2436 |
= |
-50 |
* |
(86 |
/ |
273)
|
= |
-15.75091575 |
4 |
906612 |
2438 |
- |
2485 |
= |
-47 |
* |
(92 |
/ |
273)
|
= |
-15.83882779 |
5 |
906613 |
2481 |
- |
2528 |
= |
-47 |
* |
(95 |
/ |
273)
|
= |
-16.35531131 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Gardena Elementary
|
-48 |
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 |
28657 |
2399 |
- |
2436 |
= |
-37 |
* |
(90 |
/ |
270)
|
= |
-12.33333332 |
4 |
28658 |
2463 |
- |
2485 |
= |
-22 |
* |
(90 |
/ |
270)
|
= |
-7.33333333 |
5 |
28661 |
2474 |
- |
2528 |
= |
-54 |
* |
(90 |
/ |
270)
|
= |
-17.99999998 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Gardena Elementary
|
-38 |
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 |
29224 |
2390 |
- |
2436 |
= |
-46 |
* |
(86 |
/ |
260)
|
= |
-15.21538458 |
4 |
29226 |
2427 |
- |
2485 |
= |
-58 |
* |
(87 |
/ |
260)
|
= |
-19.40769227 |
5 |
29227 |
2486 |
- |
2528 |
= |
-42 |
* |
(87 |
/ |
260)
|
= |
-14.05384613 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Gardena Elementary
|
-49 |
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 |
29272 |
2407 |
- |
2436 |
= |
-29 |
* |
(74 |
/ |
250)
|
= |
-8.584 |
4 |
29274 |
2422 |
- |
2485 |
= |
-63 |
* |
(85 |
/ |
250)
|
= |
-21.42 |
5 |
29276 |
2470 |
- |
2528 |
= |
-58 |
* |
(91 |
/ |
250)
|
= |
-21.112 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Gardena Elementary
|
-51 |
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 |
29450 |
2404 |
- |
2436 |
= |
-32 |
* |
(96 |
/ |
248)
|
= |
-12.38709677 |
4 |
29451 |
2450 |
- |
2485 |
= |
-35 |
* |
(68 |
/ |
248)
|
= |
-9.59677418 |
5 |
29452 |
2482 |
- |
2528 |
= |
-46 |
* |
(84 |
/ |
248)
|
= |
-15.58064514 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Gardena Elementary
|
-38 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-48
|
-38
|
-49
|
-51
|
-38
|
-224.0 |
-44.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -26.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -62.8
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: