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 |
981772 |
2464 |
- |
2552 |
= |
-88 |
* |
(557 |
/ |
1867)
|
= |
-26.25388322 |
7 |
981775 |
2475 |
- |
2567 |
= |
-92 |
* |
(646 |
/ |
1867)
|
= |
-31.83288697 |
8 |
981776 |
2493 |
- |
2586 |
= |
-93 |
* |
(664 |
/ |
1867)
|
= |
-33.07552217 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Chester W. Nimitz 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 |
31064 |
2467 |
- |
2552 |
= |
-85 |
* |
(530 |
/ |
1779)
|
= |
-25.32321522 |
7 |
31067 |
2472 |
- |
2567 |
= |
-95 |
* |
(604 |
/ |
1779)
|
= |
-32.25407529 |
8 |
31069 |
2485 |
- |
2586 |
= |
-101 |
* |
(645 |
/ |
1779)
|
= |
-36.61888694 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Chester W. Nimitz 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 |
31625 |
2476 |
- |
2552 |
= |
-76 |
* |
(573 |
/ |
1717)
|
= |
-25.36284213 |
7 |
31627 |
2493 |
- |
2567 |
= |
-74 |
* |
(562 |
/ |
1717)
|
= |
-24.22131622 |
8 |
31629 |
2482 |
- |
2586 |
= |
-104 |
* |
(582 |
/ |
1717)
|
= |
-35.25218403 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Chester W. Nimitz Middle
|
-85 |
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 |
31670 |
2467 |
- |
2552 |
= |
-85 |
* |
(419 |
/ |
1439)
|
= |
-24.74982621 |
7 |
31672 |
2480 |
- |
2567 |
= |
-87 |
* |
(525 |
/ |
1439)
|
= |
-31.7407922 |
8 |
31674 |
2484 |
- |
2586 |
= |
-102 |
* |
(495 |
/ |
1439)
|
= |
-35.08686586 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Chester W. Nimitz Middle
|
-92 |
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 |
31848 |
2473 |
- |
2552 |
= |
-79 |
* |
(418 |
/ |
1397)
|
= |
-23.63779524 |
7 |
31849 |
2498 |
- |
2567 |
= |
-69 |
* |
(452 |
/ |
1397)
|
= |
-22.32498209 |
8 |
31850 |
2491 |
- |
2586 |
= |
-95 |
* |
(527 |
/ |
1397)
|
= |
-35.83750892 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Chester W. Nimitz Middle
|
-82 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-91
|
-94
|
-85
|
-92
|
-82
|
-444.0 |
-88.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -73.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -103.8
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: