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 |
3 |
1804751 |
2437 |
- |
2436 |
= |
1 |
* |
(50 |
/ |
296)
|
= |
0.16891892 |
4 |
1804752 |
2483 |
- |
2485 |
= |
-2 |
* |
(84 |
/ |
296)
|
= |
-0.56756757 |
5 |
1804755 |
2503 |
- |
2528 |
= |
-25 |
* |
(82 |
/ |
296)
|
= |
-6.92567568 |
6 |
1804756 |
2575 |
- |
2552 |
= |
23 |
* |
(80 |
/ |
296)
|
= |
6.21621621 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for James A. McKee Elementary
|
-1 |
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 |
3 |
55935 |
2445 |
- |
2436 |
= |
9 |
* |
(94 |
/ |
313)
|
= |
2.70287539 |
4 |
55937 |
2478 |
- |
2485 |
= |
-7 |
* |
(55 |
/ |
313)
|
= |
-1.23003194 |
5 |
55939 |
2523 |
- |
2528 |
= |
-5 |
* |
(81 |
/ |
313)
|
= |
-1.29392971 |
6 |
55940 |
2541 |
- |
2552 |
= |
-11 |
* |
(83 |
/ |
313)
|
= |
-2.9169329 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for James A. McKee Elementary
|
-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 |
3 |
57568 |
2466 |
- |
2436 |
= |
30 |
* |
(77 |
/ |
305)
|
= |
7.57377048 |
4 |
57569 |
2491 |
- |
2485 |
= |
6 |
* |
(90 |
/ |
305)
|
= |
1.7704918 |
5 |
57571 |
2507 |
- |
2528 |
= |
-21 |
* |
(53 |
/ |
305)
|
= |
-3.64918031 |
6 |
57574 |
2555 |
- |
2552 |
= |
3 |
* |
(85 |
/ |
305)
|
= |
0.83606557 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for James A. McKee Elementary
|
7 |
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 |
3 |
57702 |
2458 |
- |
2436 |
= |
22 |
* |
(68 |
/ |
287)
|
= |
5.21254353 |
4 |
57704 |
2496 |
- |
2485 |
= |
11 |
* |
(81 |
/ |
287)
|
= |
3.10452962 |
5 |
57706 |
2521 |
- |
2528 |
= |
-7 |
* |
(82 |
/ |
287)
|
= |
-2.0 |
6 |
57708 |
2545 |
- |
2552 |
= |
-7 |
* |
(56 |
/ |
287)
|
= |
-1.36585366 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for James A. McKee Elementary
|
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 |
3 |
57958 |
2423 |
- |
2436 |
= |
-13 |
* |
(85 |
/ |
329)
|
= |
-3.35866261 |
4 |
57959 |
2498 |
- |
2485 |
= |
13 |
* |
(74 |
/ |
329)
|
= |
2.92401216 |
5 |
57960 |
2520 |
- |
2528 |
= |
-8 |
* |
(82 |
/ |
329)
|
= |
-1.99392097 |
6 |
57961 |
2549 |
- |
2552 |
= |
-3 |
* |
(88 |
/ |
329)
|
= |
-0.80243161 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for James A. McKee Elementary
|
-3 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-1
|
-3
|
7
|
5
|
-3
|
5.0 |
1.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 13.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -11.0
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: