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 |
828491 |
2499 |
- |
2552 |
= |
-53 |
* |
(106 |
/ |
457)
|
= |
-12.2932166 |
7 |
828493 |
2481 |
- |
2567 |
= |
-86 |
* |
(174 |
/ |
457)
|
= |
-32.74398245 |
8 |
828494 |
2489 |
- |
2586 |
= |
-97 |
* |
(177 |
/ |
457)
|
= |
-37.5689277 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Orchard Academies 2C
|
-83 |
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 |
25955 |
2527 |
- |
2552 |
= |
-25 |
* |
(105 |
/ |
458)
|
= |
-5.73144103 |
7 |
25957 |
2482 |
- |
2567 |
= |
-85 |
* |
(181 |
/ |
458)
|
= |
-33.59170301 |
8 |
25958 |
2493 |
- |
2586 |
= |
-93 |
* |
(172 |
/ |
458)
|
= |
-34.92576414 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Orchard Academies 2C
|
-74 |
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 |
26435 |
2443 |
- |
2552 |
= |
-109 |
* |
(96 |
/ |
458)
|
= |
-22.84716147 |
7 |
26437 |
2489 |
- |
2567 |
= |
-78 |
* |
(178 |
/ |
458)
|
= |
-30.31441046 |
8 |
26439 |
2475 |
- |
2586 |
= |
-111 |
* |
(184 |
/ |
458)
|
= |
-44.59388636 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Orchard Academies 2C
|
-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 |
26405 |
2458 |
- |
2552 |
= |
-94 |
* |
(74 |
/ |
392)
|
= |
-17.74489794 |
7 |
26406 |
2491 |
- |
2567 |
= |
-76 |
* |
(153 |
/ |
392)
|
= |
-29.66326527 |
8 |
26409 |
2466 |
- |
2586 |
= |
-120 |
* |
(165 |
/ |
392)
|
= |
-50.51020404 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Orchard Academies 2C
|
-98 |
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 |
26540 |
2446 |
- |
2552 |
= |
-106 |
* |
(73 |
/ |
376)
|
= |
-20.57978722 |
7 |
26541 |
2503 |
- |
2567 |
= |
-64 |
* |
(142 |
/ |
376)
|
= |
-24.17021274 |
8 |
26542 |
2478 |
- |
2586 |
= |
-108 |
* |
(161 |
/ |
376)
|
= |
-46.24468081 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Orchard Academies 2C
|
-91 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-83
|
-74
|
-98
|
-98
|
-91
|
-444.0 |
-88.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -58.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -118.8
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: