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 |
989439 |
2460 |
- |
2552 |
= |
-92 |
* |
(445 |
/ |
1348)
|
= |
-30.37091985 |
7 |
989441 |
2456 |
- |
2567 |
= |
-111 |
* |
(442 |
/ |
1348)
|
= |
-36.39614243 |
8 |
989442 |
2491 |
- |
2586 |
= |
-95 |
* |
(461 |
/ |
1348)
|
= |
-32.48887235 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Pacoima Middle
|
-99 |
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 |
31271 |
2450 |
- |
2552 |
= |
-102 |
* |
(440 |
/ |
1315)
|
= |
-34.12927752 |
7 |
31273 |
2460 |
- |
2567 |
= |
-107 |
* |
(437 |
/ |
1315)
|
= |
-35.55817484 |
8 |
31275 |
2491 |
- |
2586 |
= |
-95 |
* |
(438 |
/ |
1315)
|
= |
-31.64258547 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Pacoima Middle
|
-101 |
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 |
31831 |
2450 |
- |
2552 |
= |
-102 |
* |
(376 |
/ |
1243)
|
= |
-30.85438453 |
7 |
31834 |
2451 |
- |
2567 |
= |
-116 |
* |
(441 |
/ |
1243)
|
= |
-41.1552695 |
8 |
31835 |
2486 |
- |
2586 |
= |
-100 |
* |
(426 |
/ |
1243)
|
= |
-34.2719227 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Pacoima Middle
|
-106 |
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 |
31869 |
2457 |
- |
2552 |
= |
-95 |
* |
(389 |
/ |
1176)
|
= |
-31.42431964 |
7 |
31871 |
2463 |
- |
2567 |
= |
-104 |
* |
(358 |
/ |
1176)
|
= |
-31.65986387 |
8 |
31873 |
2487 |
- |
2586 |
= |
-99 |
* |
(429 |
/ |
1176)
|
= |
-36.11479588 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Pacoima Middle
|
-99 |
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 |
32046 |
2462 |
- |
2552 |
= |
-90 |
* |
(351 |
/ |
1085)
|
= |
-29.11520736 |
7 |
32047 |
2452 |
- |
2567 |
= |
-115 |
* |
(392 |
/ |
1085)
|
= |
-41.54838703 |
8 |
32048 |
2477 |
- |
2586 |
= |
-109 |
* |
(342 |
/ |
1085)
|
= |
-34.35760366 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Pacoima Middle
|
-105 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-99
|
-101
|
-106
|
-99
|
-105
|
-510.0 |
-102.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -93.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -111.0
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: