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 |
2252580 |
2416 |
- |
2436 |
= |
-20 |
* |
(47 |
/ |
156)
|
= |
-6.02564102 |
4 |
2252581 |
2437 |
- |
2485 |
= |
-48 |
* |
(60 |
/ |
156)
|
= |
-18.46153843 |
5 |
2252584 |
2470 |
- |
2528 |
= |
-58 |
* |
(49 |
/ |
156)
|
= |
-18.21794871 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Jefferson Elementary
|
-43 |
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 |
69130 |
2432 |
- |
2436 |
= |
-4 |
* |
(48 |
/ |
150)
|
= |
-1.28 |
4 |
69131 |
2459 |
- |
2485 |
= |
-26 |
* |
(43 |
/ |
150)
|
= |
-7.45333332 |
5 |
69134 |
2454 |
- |
2528 |
= |
-74 |
* |
(59 |
/ |
150)
|
= |
-29.10666664 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Jefferson Elementary
|
-38 |
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 |
70963 |
2471 |
- |
2436 |
= |
35 |
* |
(44 |
/ |
131)
|
= |
11.75572517 |
4 |
70965 |
2466 |
- |
2485 |
= |
-19 |
* |
(49 |
/ |
131)
|
= |
-7.10687022 |
5 |
70967 |
2508 |
- |
2528 |
= |
-20 |
* |
(38 |
/ |
131)
|
= |
-5.8015267 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Jefferson Elementary
|
-1 |
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 |
71107 |
2456 |
- |
2436 |
= |
20 |
* |
(56 |
/ |
145)
|
= |
7.72413792 |
4 |
71110 |
2504 |
- |
2485 |
= |
19 |
* |
(42 |
/ |
145)
|
= |
5.50344827 |
5 |
71111 |
2485 |
- |
2528 |
= |
-43 |
* |
(47 |
/ |
145)
|
= |
-13.93793103 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Jefferson Elementary
|
-1 |
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 |
71595 |
2478 |
- |
2436 |
= |
42 |
* |
(63 |
/ |
170)
|
= |
15.56470587 |
4 |
71596 |
2479 |
- |
2485 |
= |
-6 |
* |
(63 |
/ |
170)
|
= |
-2.22352941 |
5 |
71597 |
2523 |
- |
2528 |
= |
-5 |
* |
(44 |
/ |
170)
|
= |
-1.29411765 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Jefferson Elementary
|
12 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-43
|
-38
|
-1
|
-1
|
12
|
-71.0 |
-14.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 57.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -86.2
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: