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 |
999795 |
2455 |
- |
2552 |
= |
-97 |
* |
(376 |
/ |
1105)
|
= |
-33.00633482 |
7 |
999796 |
2459 |
- |
2567 |
= |
-108 |
* |
(373 |
/ |
1105)
|
= |
-36.45610859 |
8 |
999799 |
2496 |
- |
2586 |
= |
-90 |
* |
(356 |
/ |
1105)
|
= |
-28.99547505 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Olive Vista 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 |
31553 |
2454 |
- |
2552 |
= |
-98 |
* |
(337 |
/ |
1065)
|
= |
-31.01032855 |
7 |
31554 |
2481 |
- |
2567 |
= |
-86 |
* |
(364 |
/ |
1065)
|
= |
-29.39342718 |
8 |
31556 |
2478 |
- |
2586 |
= |
-108 |
* |
(364 |
/ |
1065)
|
= |
-36.912676 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Olive Vista Middle
|
-97 |
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 |
32106 |
2456 |
- |
2552 |
= |
-96 |
* |
(369 |
/ |
1060)
|
= |
-33.41886787 |
7 |
32107 |
2465 |
- |
2567 |
= |
-102 |
* |
(333 |
/ |
1060)
|
= |
-32.04339619 |
8 |
32110 |
2489 |
- |
2586 |
= |
-97 |
* |
(358 |
/ |
1060)
|
= |
-32.76037735 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Olive Vista Middle
|
-98 |
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 |
32133 |
2445 |
- |
2552 |
= |
-107 |
* |
(405 |
/ |
1129)
|
= |
-38.38352514 |
7 |
32134 |
2473 |
- |
2567 |
= |
-94 |
* |
(376 |
/ |
1129)
|
= |
-31.30558008 |
8 |
32137 |
2465 |
- |
2586 |
= |
-121 |
* |
(348 |
/ |
1129)
|
= |
-37.29672274 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Olive Vista Middle
|
-107 |
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 |
32314 |
2483 |
- |
2552 |
= |
-69 |
* |
(407 |
/ |
1172)
|
= |
-23.96160406 |
7 |
32315 |
2475 |
- |
2567 |
= |
-92 |
* |
(393 |
/ |
1172)
|
= |
-30.84982934 |
8 |
32316 |
2485 |
- |
2586 |
= |
-101 |
* |
(372 |
/ |
1172)
|
= |
-32.05802044 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Olive Vista Middle
|
-87 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-98
|
-97
|
-98
|
-107
|
-87
|
-487.0 |
-97.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -76.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -118.4
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: