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 |
27523 |
2532 |
- |
2552 |
= |
-20 |
* |
(196 |
/ |
601)
|
= |
-6.52246256 |
7 |
27525 |
2533 |
- |
2567 |
= |
-34 |
* |
(194 |
/ |
601)
|
= |
-10.97504159 |
8 |
27527 |
2523 |
- |
2586 |
= |
-63 |
* |
(128 |
/ |
601)
|
= |
-13.41763725 |
11 |
27529 |
2548 |
- |
2628 |
= |
-80 |
* |
(83 |
/ |
601)
|
= |
-11.04825288 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Maywood Center for Enriched Studies
|
-42 |
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 |
27673 |
2531 |
- |
2552 |
= |
-21 |
* |
(198 |
/ |
715)
|
= |
-5.8153846 |
7 |
27674 |
2542 |
- |
2567 |
= |
-25 |
* |
(222 |
/ |
715)
|
= |
-7.76223775 |
8 |
27675 |
2551 |
- |
2586 |
= |
-35 |
* |
(194 |
/ |
715)
|
= |
-9.49650349 |
11 |
27676 |
2540 |
- |
2628 |
= |
-88 |
* |
(101 |
/ |
715)
|
= |
-12.43076921 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Maywood Center for Enriched Studies
|
-36 |
Last steps
Compute the average
2018 |
2019 |
Sum |
Average |
-42
|
-36
|
-78.0 |
-39.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -27.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -51.0
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: