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 |
2360474 |
2471 |
- |
2436 |
= |
35 |
* |
(85 |
/ |
289)
|
= |
10.29411765 |
| 4 |
2360477 |
2524 |
- |
2485 |
= |
39 |
* |
(88 |
/ |
289)
|
= |
11.87543249 |
| 5 |
2360478 |
2552 |
- |
2528 |
= |
24 |
* |
(116 |
/ |
289)
|
= |
9.63321799 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Clarendon Alternative Elementary
|
32 |
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 |
72122 |
2481 |
- |
2436 |
= |
45 |
* |
(86 |
/ |
265)
|
= |
14.60377355 |
| 4 |
72123 |
2537 |
- |
2485 |
= |
52 |
* |
(90 |
/ |
265)
|
= |
17.66037733 |
| 5 |
72125 |
2554 |
- |
2528 |
= |
26 |
* |
(89 |
/ |
265)
|
= |
8.73207546 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Clarendon Alternative Elementary
|
41 |
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 |
74095 |
2485 |
- |
2436 |
= |
49 |
* |
(82 |
/ |
260)
|
= |
15.45384614 |
| 4 |
74097 |
2533 |
- |
2485 |
= |
48 |
* |
(88 |
/ |
260)
|
= |
16.24615382 |
| 5 |
74099 |
2553 |
- |
2528 |
= |
25 |
* |
(90 |
/ |
260)
|
= |
8.65384615 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Clarendon Alternative Elementary
|
40 |
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 |
74270 |
2466 |
- |
2436 |
= |
30 |
* |
(86 |
/ |
267)
|
= |
9.66292134 |
| 4 |
74271 |
2519 |
- |
2485 |
= |
34 |
* |
(92 |
/ |
267)
|
= |
11.71535579 |
| 5 |
74274 |
2536 |
- |
2528 |
= |
8 |
* |
(89 |
/ |
267)
|
= |
2.66666666 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Clarendon Alternative Elementary
|
24 |
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 |
74793 |
2490 |
- |
2436 |
= |
54 |
* |
(83 |
/ |
269)
|
= |
16.66170999 |
| 4 |
74794 |
2520 |
- |
2485 |
= |
35 |
* |
(92 |
/ |
269)
|
= |
11.97026019 |
| 5 |
74795 |
2550 |
- |
2528 |
= |
22 |
* |
(94 |
/ |
269)
|
= |
7.68773234 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Clarendon Alternative Elementary
|
36 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
32
|
41
|
40
|
24
|
36
|
173.0 |
34.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 52.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 16.6
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:
