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 |
993442 |
2473 |
- |
2552 |
= |
-79 |
* |
(547 |
/ |
1619)
|
= |
-26.69116736 |
7 |
993445 |
2470 |
- |
2567 |
= |
-97 |
* |
(523 |
/ |
1619)
|
= |
-31.33477446 |
8 |
993446 |
2488 |
- |
2586 |
= |
-98 |
* |
(549 |
/ |
1619)
|
= |
-33.23162438 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Stephen M. White Middle
|
-91 |
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 |
31374 |
2495 |
- |
2552 |
= |
-57 |
* |
(468 |
/ |
1563)
|
= |
-17.06717849 |
7 |
31377 |
2487 |
- |
2567 |
= |
-80 |
* |
(558 |
/ |
1563)
|
= |
-28.56046064 |
8 |
31378 |
2500 |
- |
2586 |
= |
-86 |
* |
(537 |
/ |
1563)
|
= |
-29.5470249 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Stephen M. White Middle
|
-75 |
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 |
31935 |
2492 |
- |
2552 |
= |
-60 |
* |
(531 |
/ |
1585)
|
= |
-20.10094632 |
7 |
31937 |
2486 |
- |
2567 |
= |
-81 |
* |
(527 |
/ |
1585)
|
= |
-26.93186115 |
8 |
31939 |
2497 |
- |
2586 |
= |
-89 |
* |
(527 |
/ |
1585)
|
= |
-29.59179806 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Stephen M. White Middle
|
-77 |
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 |
31972 |
2508 |
- |
2552 |
= |
-44 |
* |
(539 |
/ |
1634)
|
= |
-14.51407588 |
7 |
31974 |
2509 |
- |
2567 |
= |
-58 |
* |
(564 |
/ |
1634)
|
= |
-20.0195838 |
8 |
31976 |
2501 |
- |
2586 |
= |
-85 |
* |
(531 |
/ |
1634)
|
= |
-27.622399 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Stephen M. White Middle
|
-62 |
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 |
32150 |
2518 |
- |
2552 |
= |
-34 |
* |
(505 |
/ |
1638)
|
= |
-10.48229547 |
7 |
32151 |
2528 |
- |
2567 |
= |
-39 |
* |
(571 |
/ |
1638)
|
= |
-13.59523807 |
8 |
32152 |
2497 |
- |
2586 |
= |
-89 |
* |
(562 |
/ |
1638)
|
= |
-30.53601953 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Stephen M. White Middle
|
-55 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-91
|
-75
|
-77
|
-62
|
-55
|
-360.0 |
-72.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -30.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -114.0
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: