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 |
2127286 |
2443 |
- |
2436 |
= |
7 |
* |
(115 |
/ |
424)
|
= |
1.89858491 |
| 4 |
2127289 |
2487 |
- |
2485 |
= |
2 |
* |
(109 |
/ |
424)
|
= |
0.51415094 |
| 5 |
2127290 |
2548 |
- |
2528 |
= |
20 |
* |
(106 |
/ |
424)
|
= |
5.0 |
| 6 |
2127293 |
2568 |
- |
2552 |
= |
16 |
* |
(94 |
/ |
424)
|
= |
3.54716981 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Liberty Elementary
|
11 |
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 |
65320 |
2446 |
- |
2436 |
= |
10 |
* |
(112 |
/ |
441)
|
= |
2.53968253 |
| 4 |
65323 |
2515 |
- |
2485 |
= |
30 |
* |
(113 |
/ |
441)
|
= |
7.68707481 |
| 5 |
65325 |
2546 |
- |
2528 |
= |
18 |
* |
(108 |
/ |
441)
|
= |
4.40816326 |
| 6 |
65327 |
2582 |
- |
2552 |
= |
30 |
* |
(108 |
/ |
441)
|
= |
7.34693877 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Liberty Elementary
|
22 |
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 |
67129 |
2475 |
- |
2436 |
= |
39 |
* |
(95 |
/ |
432)
|
= |
8.57638887 |
| 4 |
67130 |
2485 |
- |
2485 |
= |
0 |
* |
(112 |
/ |
432)
|
= |
0.0 |
| 5 |
67133 |
2564 |
- |
2528 |
= |
36 |
* |
(117 |
/ |
432)
|
= |
9.74999999 |
| 6 |
67135 |
2563 |
- |
2552 |
= |
11 |
* |
(108 |
/ |
432)
|
= |
2.75 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Liberty Elementary
|
21 |
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 |
67224 |
2472 |
- |
2436 |
= |
36 |
* |
(105 |
/ |
429)
|
= |
8.81118878 |
| 4 |
67227 |
2509 |
- |
2485 |
= |
24 |
* |
(94 |
/ |
429)
|
= |
5.25874126 |
| 5 |
67228 |
2555 |
- |
2528 |
= |
27 |
* |
(118 |
/ |
429)
|
= |
7.42657343 |
| 6 |
67231 |
2569 |
- |
2552 |
= |
17 |
* |
(112 |
/ |
429)
|
= |
4.43822844 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Liberty Elementary
|
26 |
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 |
67724 |
2457 |
- |
2436 |
= |
21 |
* |
(97 |
/ |
412)
|
= |
4.94417475 |
| 4 |
67725 |
2506 |
- |
2485 |
= |
21 |
* |
(110 |
/ |
412)
|
= |
5.60679611 |
| 5 |
67726 |
2597 |
- |
2528 |
= |
69 |
* |
(87 |
/ |
412)
|
= |
14.57038831 |
| 6 |
67727 |
2552 |
- |
2552 |
= |
0 |
* |
(118 |
/ |
412)
|
= |
0.0 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Liberty Elementary
|
25 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
11
|
22
|
21
|
26
|
25
|
105.0 |
21.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 36.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 6.0
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:
