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 |
7 |
858784 |
2554 |
- |
2567 |
= |
-13 |
* |
(311 |
/ |
1057)
|
= |
-3.82497634 |
8 |
858787 |
2583 |
- |
2586 |
= |
-3 |
* |
(370 |
/ |
1057)
|
= |
-1.05014191 |
11 |
858788 |
2581 |
- |
2628 |
= |
-47 |
* |
(376 |
/ |
1057)
|
= |
-16.71901606 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Eagle Rock High
|
-22 |
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 |
7 |
27179 |
2563 |
- |
2567 |
= |
-4 |
* |
(316 |
/ |
1038)
|
= |
-1.2177264 |
8 |
27180 |
2575 |
- |
2586 |
= |
-11 |
* |
(313 |
/ |
1038)
|
= |
-3.31695568 |
11 |
27182 |
2606 |
- |
2628 |
= |
-22 |
* |
(409 |
/ |
1038)
|
= |
-8.66859343 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Eagle Rock High
|
-13 |
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 |
7 |
27757 |
2554 |
- |
2567 |
= |
-13 |
* |
(325 |
/ |
1072)
|
= |
-3.94123133 |
8 |
27759 |
2550 |
- |
2586 |
= |
-36 |
* |
(303 |
/ |
1072)
|
= |
-10.17537311 |
11 |
27761 |
2587 |
- |
2628 |
= |
-41 |
* |
(444 |
/ |
1072)
|
= |
-16.98134326 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Eagle Rock High
|
-31 |
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 |
7 |
27806 |
2553 |
- |
2567 |
= |
-14 |
* |
(333 |
/ |
1072)
|
= |
-4.34888059 |
8 |
27808 |
2548 |
- |
2586 |
= |
-38 |
* |
(337 |
/ |
1072)
|
= |
-11.9458955 |
11 |
27810 |
2575 |
- |
2628 |
= |
-53 |
* |
(402 |
/ |
1072)
|
= |
-19.875 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Eagle Rock High
|
-36 |
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 |
7 |
27988 |
2548 |
- |
2567 |
= |
-19 |
* |
(347 |
/ |
1037)
|
= |
-6.35776277 |
8 |
27989 |
2550 |
- |
2586 |
= |
-36 |
* |
(346 |
/ |
1037)
|
= |
-12.01157183 |
11 |
27990 |
2566 |
- |
2628 |
= |
-62 |
* |
(344 |
/ |
1037)
|
= |
-20.56702025 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Eagle Rock High
|
-39 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-22
|
-13
|
-31
|
-36
|
-39
|
-141.0 |
-28.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 1.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -58.2
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: