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 |
989738 |
2557 |
- |
2552 |
= |
5 |
* |
(462 |
/ |
1340)
|
= |
1.7238806 |
7 |
989741 |
2545 |
- |
2567 |
= |
-22 |
* |
(479 |
/ |
1340)
|
= |
-7.86417909 |
8 |
989742 |
2581 |
- |
2586 |
= |
-5 |
* |
(399 |
/ |
1340)
|
= |
-1.48880597 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Palms Middle
|
-8 |
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 |
31278 |
2562 |
- |
2552 |
= |
10 |
* |
(465 |
/ |
1451)
|
= |
3.20468642 |
7 |
31281 |
2567 |
- |
2567 |
= |
0 |
* |
(505 |
/ |
1451)
|
= |
0.0 |
8 |
31283 |
2567 |
- |
2586 |
= |
-19 |
* |
(481 |
/ |
1451)
|
= |
-6.29841488 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Palms Middle
|
-3 |
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 |
31840 |
2557 |
- |
2552 |
= |
5 |
* |
(401 |
/ |
1346)
|
= |
1.48959881 |
7 |
31841 |
2569 |
- |
2567 |
= |
2 |
* |
(469 |
/ |
1346)
|
= |
0.69687964 |
8 |
31844 |
2575 |
- |
2586 |
= |
-11 |
* |
(476 |
/ |
1346)
|
= |
-3.89004458 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Palms Middle
|
-2 |
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 |
31876 |
2556 |
- |
2552 |
= |
4 |
* |
(465 |
/ |
1327)
|
= |
1.40165787 |
7 |
31879 |
2556 |
- |
2567 |
= |
-11 |
* |
(414 |
/ |
1327)
|
= |
-3.43180105 |
8 |
31880 |
2577 |
- |
2586 |
= |
-9 |
* |
(448 |
/ |
1327)
|
= |
-3.03843255 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Palms Middle
|
-5 |
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 |
32054 |
2561 |
- |
2552 |
= |
9 |
* |
(391 |
/ |
1203)
|
= |
2.92518703 |
7 |
32055 |
2562 |
- |
2567 |
= |
-5 |
* |
(417 |
/ |
1203)
|
= |
-1.73316708 |
8 |
32056 |
2570 |
- |
2586 |
= |
-16 |
* |
(395 |
/ |
1203)
|
= |
-5.25353283 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Palms Middle
|
-4 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-8
|
-3
|
-2
|
-5
|
-4
|
-22.0 |
-4.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 1.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -10.4
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: