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 |
1002468 |
2491 |
- |
2552 |
= |
-61 |
* |
(225 |
/ |
1236)
|
= |
-11.10436887 |
7 |
1002471 |
2488 |
- |
2567 |
= |
-79 |
* |
(495 |
/ |
1236)
|
= |
-31.63834944 |
8 |
1002472 |
2465 |
- |
2586 |
= |
-121 |
* |
(516 |
/ |
1236)
|
= |
-50.51456309 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for El Sereno Middle
|
-93 |
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 |
31628 |
2481 |
- |
2552 |
= |
-71 |
* |
(240 |
/ |
1166)
|
= |
-14.61406511 |
7 |
31630 |
2473 |
- |
2567 |
= |
-94 |
* |
(462 |
/ |
1166)
|
= |
-37.24528301 |
8 |
31632 |
2505 |
- |
2586 |
= |
-81 |
* |
(464 |
/ |
1166)
|
= |
-32.23327608 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for El Sereno Middle
|
-84 |
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 |
32182 |
2476 |
- |
2552 |
= |
-76 |
* |
(247 |
/ |
1181)
|
= |
-15.89500419 |
7 |
32184 |
2478 |
- |
2567 |
= |
-89 |
* |
(475 |
/ |
1181)
|
= |
-35.79593564 |
8 |
32186 |
2478 |
- |
2586 |
= |
-108 |
* |
(459 |
/ |
1181)
|
= |
-41.97459776 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for El Sereno Middle
|
-94 |
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 |
32208 |
2500 |
- |
2552 |
= |
-52 |
* |
(214 |
/ |
1085)
|
= |
-10.2562212 |
7 |
32210 |
2503 |
- |
2567 |
= |
-64 |
* |
(420 |
/ |
1085)
|
= |
-24.77419354 |
8 |
32212 |
2516 |
- |
2586 |
= |
-70 |
* |
(451 |
/ |
1085)
|
= |
-29.09677414 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for El Sereno Middle
|
-64 |
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 |
32390 |
2521 |
- |
2552 |
= |
-31 |
* |
(206 |
/ |
1052)
|
= |
-6.07034219 |
7 |
32391 |
2507 |
- |
2567 |
= |
-60 |
* |
(414 |
/ |
1052)
|
= |
-23.61216726 |
8 |
32392 |
2535 |
- |
2586 |
= |
-51 |
* |
(432 |
/ |
1052)
|
= |
-20.94296574 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for El Sereno Middle
|
-51 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-93
|
-84
|
-94
|
-64
|
-51
|
-386.0 |
-77.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -23.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -131.2
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: