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 |
980038 |
2452 |
- |
2552 |
= |
-100 |
* |
(179 |
/ |
807)
|
= |
-22.1809169 |
7 |
980041 |
2464 |
- |
2567 |
= |
-103 |
* |
(307 |
/ |
807)
|
= |
-39.18339524 |
8 |
980042 |
2494 |
- |
2586 |
= |
-92 |
* |
(321 |
/ |
807)
|
= |
-36.59479547 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Hubert Howe Bancroft Middle
|
-98 |
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 |
31015 |
2470 |
- |
2552 |
= |
-82 |
* |
(187 |
/ |
761)
|
= |
-20.14980285 |
7 |
31017 |
2483 |
- |
2567 |
= |
-84 |
* |
(280 |
/ |
761)
|
= |
-30.9067017 |
8 |
31018 |
2476 |
- |
2586 |
= |
-110 |
* |
(294 |
/ |
761)
|
= |
-42.49671481 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Hubert Howe Bancroft Middle
|
-94 |
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 |
31578 |
2446 |
- |
2552 |
= |
-106 |
* |
(212 |
/ |
764)
|
= |
-29.41361246 |
7 |
31580 |
2476 |
- |
2567 |
= |
-91 |
* |
(283 |
/ |
764)
|
= |
-33.70811517 |
8 |
31581 |
2483 |
- |
2586 |
= |
-103 |
* |
(269 |
/ |
764)
|
= |
-36.26570672 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Hubert Howe Bancroft Middle
|
-99 |
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 |
31622 |
2442 |
- |
2552 |
= |
-110 |
* |
(191 |
/ |
749)
|
= |
-28.05073425 |
7 |
31624 |
2465 |
- |
2567 |
= |
-102 |
* |
(287 |
/ |
749)
|
= |
-39.08411214 |
8 |
31626 |
2493 |
- |
2586 |
= |
-93 |
* |
(271 |
/ |
749)
|
= |
-33.64886512 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Hubert Howe Bancroft 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 |
31800 |
2448 |
- |
2552 |
= |
-104 |
* |
(155 |
/ |
728)
|
= |
-22.14285705 |
7 |
31801 |
2471 |
- |
2567 |
= |
-96 |
* |
(269 |
/ |
728)
|
= |
-35.47252742 |
8 |
31802 |
2480 |
- |
2586 |
= |
-106 |
* |
(304 |
/ |
728)
|
= |
-44.2637362 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Hubert Howe Bancroft Middle
|
-102 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-98
|
-94
|
-99
|
-101
|
-102
|
-494.0 |
-98.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -89.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -107.8
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: