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 |
2270199 |
2458 |
- |
2436 |
= |
22 |
* |
(143 |
/ |
388)
|
= |
8.10824742 |
| 4 |
2270202 |
2493 |
- |
2485 |
= |
8 |
* |
(131 |
/ |
388)
|
= |
2.70103092 |
| 5 |
2270203 |
2513 |
- |
2528 |
= |
-15 |
* |
(114 |
/ |
388)
|
= |
-4.40721648 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Mason Elementary
|
6 |
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 |
69627 |
2447 |
- |
2436 |
= |
11 |
* |
(89 |
/ |
286)
|
= |
3.42307692 |
| 4 |
69630 |
2505 |
- |
2485 |
= |
20 |
* |
(95 |
/ |
286)
|
= |
6.64335664 |
| 5 |
69632 |
2524 |
- |
2528 |
= |
-4 |
* |
(102 |
/ |
286)
|
= |
-1.42657342 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Mason Elementary
|
9 |
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 |
71461 |
2449 |
- |
2436 |
= |
13 |
* |
(98 |
/ |
280)
|
= |
4.55 |
| 4 |
71463 |
2495 |
- |
2485 |
= |
10 |
* |
(93 |
/ |
280)
|
= |
3.32142857 |
| 5 |
71464 |
2537 |
- |
2528 |
= |
9 |
* |
(89 |
/ |
280)
|
= |
2.86071428 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Mason Elementary
|
11 |
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 |
71605 |
2456 |
- |
2436 |
= |
20 |
* |
(76 |
/ |
263)
|
= |
5.77946768 |
| 4 |
71608 |
2494 |
- |
2485 |
= |
9 |
* |
(94 |
/ |
263)
|
= |
3.21673003 |
| 5 |
71609 |
2505 |
- |
2528 |
= |
-23 |
* |
(93 |
/ |
263)
|
= |
-8.13307984 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Mason 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 |
72091 |
2448 |
- |
2436 |
= |
12 |
* |
(80 |
/ |
246)
|
= |
3.90243902 |
| 4 |
72092 |
2508 |
- |
2485 |
= |
23 |
* |
(66 |
/ |
246)
|
= |
6.17073169 |
| 5 |
72093 |
2522 |
- |
2528 |
= |
-6 |
* |
(100 |
/ |
246)
|
= |
-2.43902439 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Mason Elementary
|
8 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
6
|
9
|
11
|
1
|
8
|
35.0 |
7.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 16.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -2.0
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:
