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 |
982333 |
2483 |
- |
2552 |
= |
-69 |
* |
(437 |
/ |
1462)
|
= |
-20.62448695 |
7 |
982334 |
2481 |
- |
2567 |
= |
-86 |
* |
(502 |
/ |
1462)
|
= |
-29.52941176 |
8 |
982337 |
2505 |
- |
2586 |
= |
-81 |
* |
(523 |
/ |
1462)
|
= |
-28.97606018 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Richard Henry Dana Middle
|
-79 |
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 |
31080 |
2464 |
- |
2552 |
= |
-88 |
* |
(463 |
/ |
1477)
|
= |
-27.58564653 |
7 |
31083 |
2505 |
- |
2567 |
= |
-62 |
* |
(526 |
/ |
1477)
|
= |
-22.07989167 |
8 |
31084 |
2510 |
- |
2586 |
= |
-76 |
* |
(488 |
/ |
1477)
|
= |
-25.11035881 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Richard Henry Dana 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 |
31641 |
2457 |
- |
2552 |
= |
-95 |
* |
(499 |
/ |
1532)
|
= |
-30.94321143 |
7 |
31643 |
2476 |
- |
2567 |
= |
-91 |
* |
(546 |
/ |
1532)
|
= |
-32.43211481 |
8 |
31646 |
2521 |
- |
2586 |
= |
-65 |
* |
(487 |
/ |
1532)
|
= |
-20.66253261 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Richard Henry Dana Middle
|
-84 |
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 |
31686 |
2453 |
- |
2552 |
= |
-99 |
* |
(449 |
/ |
1555)
|
= |
-28.58585202 |
7 |
31688 |
2460 |
- |
2567 |
= |
-107 |
* |
(571 |
/ |
1555)
|
= |
-39.2906752 |
8 |
31690 |
2484 |
- |
2586 |
= |
-102 |
* |
(535 |
/ |
1555)
|
= |
-35.09324749 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Richard Henry Dana Middle
|
-103 |
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 |
31864 |
2484 |
- |
2552 |
= |
-68 |
* |
(450 |
/ |
1536)
|
= |
-19.921875 |
7 |
31865 |
2470 |
- |
2567 |
= |
-97 |
* |
(541 |
/ |
1536)
|
= |
-34.16471348 |
8 |
31866 |
2481 |
- |
2586 |
= |
-105 |
* |
(545 |
/ |
1536)
|
= |
-37.25585934 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Richard Henry Dana Middle
|
-91 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-79
|
-75
|
-84
|
-103
|
-91
|
-432.0 |
-86.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -53.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -119.4
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: