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 |
1009131 |
2439 |
- |
2552 |
= |
-113 |
* |
(358 |
/ |
1415)
|
= |
-28.58939923 |
7 |
1009132 |
2457 |
- |
2567 |
= |
-110 |
* |
(526 |
/ |
1415)
|
= |
-40.89045928 |
8 |
1009135 |
2475 |
- |
2586 |
= |
-111 |
* |
(531 |
/ |
1415)
|
= |
-41.65441689 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Los Angeles Academy Middle
|
-111 |
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 |
31855 |
2444 |
- |
2552 |
= |
-108 |
* |
(363 |
/ |
1317)
|
= |
-29.76765368 |
7 |
31857 |
2448 |
- |
2567 |
= |
-119 |
* |
(434 |
/ |
1317)
|
= |
-39.21488229 |
8 |
31858 |
2463 |
- |
2586 |
= |
-123 |
* |
(520 |
/ |
1317)
|
= |
-48.56492025 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Los Angeles Academy Middle
|
-118 |
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 |
32407 |
2426 |
- |
2552 |
= |
-126 |
* |
(332 |
/ |
1236)
|
= |
-33.84466016 |
7 |
32410 |
2438 |
- |
2567 |
= |
-129 |
* |
(485 |
/ |
1236)
|
= |
-50.61893204 |
8 |
32411 |
2450 |
- |
2586 |
= |
-136 |
* |
(419 |
/ |
1236)
|
= |
-46.10355977 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Los Angeles Academy Middle
|
-131 |
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 |
32434 |
2435 |
- |
2552 |
= |
-117 |
* |
(333 |
/ |
1199)
|
= |
-32.49457871 |
7 |
32436 |
2430 |
- |
2567 |
= |
-137 |
* |
(408 |
/ |
1199)
|
= |
-46.61884895 |
8 |
32438 |
2428 |
- |
2586 |
= |
-158 |
* |
(458 |
/ |
1199)
|
= |
-60.35362795 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Los Angeles Academy Middle
|
-139 |
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 |
32616 |
2429 |
- |
2552 |
= |
-123 |
* |
(337 |
/ |
1166)
|
= |
-35.54974265 |
7 |
32617 |
2450 |
- |
2567 |
= |
-117 |
* |
(409 |
/ |
1166)
|
= |
-41.04030867 |
8 |
32618 |
2440 |
- |
2586 |
= |
-146 |
* |
(420 |
/ |
1166)
|
= |
-52.59005133 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Los Angeles Academy Middle
|
-129 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-111
|
-118
|
-131
|
-139
|
-129
|
-628.0 |
-125.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -92.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -158.6
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: