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 |
805125 |
2414 |
- |
2552 |
= |
-138 |
* |
(253 |
/ |
848)
|
= |
-41.17216973 |
7 |
805128 |
2455 |
- |
2567 |
= |
-112 |
* |
(295 |
/ |
848)
|
= |
-38.9622641 |
8 |
805129 |
2464 |
- |
2586 |
= |
-122 |
* |
(300 |
/ |
848)
|
= |
-43.16037725 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for William Jefferson Clinton Middle
|
-123 |
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 |
25191 |
2428 |
- |
2552 |
= |
-124 |
* |
(282 |
/ |
835)
|
= |
-41.8778442 |
7 |
25193 |
2472 |
- |
2567 |
= |
-95 |
* |
(256 |
/ |
835)
|
= |
-29.12574847 |
8 |
25195 |
2488 |
- |
2586 |
= |
-98 |
* |
(297 |
/ |
835)
|
= |
-34.85748496 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for William Jefferson Clinton Middle
|
-106 |
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 |
25688 |
2414 |
- |
2552 |
= |
-138 |
* |
(254 |
/ |
804)
|
= |
-43.59701492 |
7 |
25690 |
2446 |
- |
2567 |
= |
-121 |
* |
(281 |
/ |
804)
|
= |
-42.28980093 |
8 |
25691 |
2451 |
- |
2586 |
= |
-135 |
* |
(269 |
/ |
804)
|
= |
-45.16791039 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for William Jefferson Clinton 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 |
25714 |
2404 |
- |
2552 |
= |
-148 |
* |
(230 |
/ |
769)
|
= |
-44.26527945 |
7 |
25716 |
2447 |
- |
2567 |
= |
-120 |
* |
(263 |
/ |
769)
|
= |
-41.040312 |
8 |
25718 |
2447 |
- |
2586 |
= |
-139 |
* |
(276 |
/ |
769)
|
= |
-49.88816641 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for William Jefferson Clinton Middle
|
-135 |
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 |
25876 |
2444 |
- |
2552 |
= |
-108 |
* |
(268 |
/ |
771)
|
= |
-37.54085594 |
7 |
25877 |
2428 |
- |
2567 |
= |
-139 |
* |
(236 |
/ |
771)
|
= |
-42.54734108 |
8 |
25878 |
2460 |
- |
2586 |
= |
-126 |
* |
(267 |
/ |
771)
|
= |
-43.63424113 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for William Jefferson Clinton Middle
|
-124 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-123
|
-106
|
-131
|
-135
|
-124
|
-619.0 |
-123.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -90.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -156.8
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: