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 |
998273 |
2458 |
- |
2552 |
= |
-94 |
* |
(230 |
/ |
912)
|
= |
-23.70614031 |
7 |
998274 |
2479 |
- |
2567 |
= |
-88 |
* |
(313 |
/ |
912)
|
= |
-30.20175435 |
8 |
998277 |
2508 |
- |
2586 |
= |
-78 |
* |
(369 |
/ |
912)
|
= |
-31.55921051 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Joseph Le Conte Middle
|
-85 |
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 |
31513 |
2464 |
- |
2552 |
= |
-88 |
* |
(211 |
/ |
896)
|
= |
-20.72321425 |
7 |
31515 |
2477 |
- |
2567 |
= |
-90 |
* |
(386 |
/ |
896)
|
= |
-38.77232139 |
8 |
31517 |
2515 |
- |
2586 |
= |
-71 |
* |
(299 |
/ |
896)
|
= |
-23.69308035 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Joseph Le Conte Middle
|
-83 |
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 |
32065 |
2458 |
- |
2552 |
= |
-94 |
* |
(163 |
/ |
940)
|
= |
-16.29999997 |
7 |
32068 |
2486 |
- |
2567 |
= |
-81 |
* |
(369 |
/ |
940)
|
= |
-31.79680847 |
8 |
32070 |
2482 |
- |
2586 |
= |
-104 |
* |
(408 |
/ |
940)
|
= |
-45.14042551 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Joseph Le Conte Middle
|
-93 |
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 |
32092 |
2443 |
- |
2552 |
= |
-109 |
* |
(161 |
/ |
814)
|
= |
-21.55896797 |
7 |
32094 |
2468 |
- |
2567 |
= |
-99 |
* |
(304 |
/ |
814)
|
= |
-36.97297293 |
8 |
32096 |
2488 |
- |
2586 |
= |
-98 |
* |
(349 |
/ |
814)
|
= |
-42.01719894 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Joseph Le Conte Middle
|
-101 |
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 |
32274 |
2444 |
- |
2552 |
= |
-108 |
* |
(163 |
/ |
743)
|
= |
-23.6931359 |
7 |
32275 |
2464 |
- |
2567 |
= |
-103 |
* |
(274 |
/ |
743)
|
= |
-37.98384921 |
8 |
32276 |
2476 |
- |
2586 |
= |
-110 |
* |
(306 |
/ |
743)
|
= |
-45.30282636 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Joseph Le Conte Middle
|
-107 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-85
|
-83
|
-93
|
-101
|
-107
|
-469.0 |
-93.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -63.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -123.8
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: