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 |
2355109 |
2503 |
- |
2436 |
= |
67 |
* |
(86 |
/ |
200)
|
= |
28.81 |
| 4 |
2355112 |
2559 |
- |
2485 |
= |
74 |
* |
(63 |
/ |
200)
|
= |
23.31 |
| 5 |
2355113 |
2568 |
- |
2528 |
= |
40 |
* |
(51 |
/ |
200)
|
= |
10.2 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Chinese Immersion School at DeAvila
|
62 |
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 |
71962 |
2505 |
- |
2436 |
= |
69 |
* |
(59 |
/ |
199)
|
= |
20.45728643 |
| 4 |
71964 |
2557 |
- |
2485 |
= |
72 |
* |
(80 |
/ |
199)
|
= |
28.9447236 |
| 5 |
71965 |
2565 |
- |
2528 |
= |
37 |
* |
(60 |
/ |
199)
|
= |
11.15577887 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Chinese Immersion School at DeAvila
|
61 |
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 |
73929 |
2519 |
- |
2436 |
= |
83 |
* |
(70 |
/ |
203)
|
= |
28.62068964 |
| 4 |
73932 |
2555 |
- |
2485 |
= |
70 |
* |
(60 |
/ |
203)
|
= |
20.68965514 |
| 5 |
73934 |
2590 |
- |
2528 |
= |
62 |
* |
(73 |
/ |
203)
|
= |
22.29556648 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Chinese Immersion School at DeAvila
|
72 |
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 |
74100 |
2507 |
- |
2436 |
= |
71 |
* |
(64 |
/ |
189)
|
= |
24.042328 |
| 4 |
74101 |
2578 |
- |
2485 |
= |
93 |
* |
(69 |
/ |
189)
|
= |
33.95238095 |
| 5 |
74104 |
2586 |
- |
2528 |
= |
58 |
* |
(56 |
/ |
189)
|
= |
17.18518517 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Chinese Immersion School at DeAvila
|
75 |
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 |
74623 |
2522 |
- |
2436 |
= |
86 |
* |
(60 |
/ |
190)
|
= |
27.15789468 |
| 4 |
74624 |
2553 |
- |
2485 |
= |
68 |
* |
(63 |
/ |
190)
|
= |
22.5473684 |
| 5 |
74625 |
2622 |
- |
2528 |
= |
94 |
* |
(67 |
/ |
190)
|
= |
33.14736833 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Chinese Immersion School at DeAvila
|
83 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
62
|
61
|
72
|
75
|
83
|
353.0 |
70.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 97.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 43.6
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:
