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 |
889328 |
2529 |
- |
2436 |
= |
93 |
* |
(92 |
/ |
260)
|
= |
32.90769223 |
| 4 |
889331 |
2536 |
- |
2485 |
= |
51 |
* |
(84 |
/ |
260)
|
= |
16.47692307 |
| 5 |
889332 |
2554 |
- |
2528 |
= |
26 |
* |
(84 |
/ |
260)
|
= |
8.4 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Clover Avenue Elementary
|
58 |
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 |
28121 |
2540 |
- |
2436 |
= |
104 |
* |
(82 |
/ |
235)
|
= |
36.28936168 |
| 4 |
28122 |
2544 |
- |
2485 |
= |
59 |
* |
(79 |
/ |
235)
|
= |
19.83404251 |
| 5 |
28125 |
2563 |
- |
2528 |
= |
35 |
* |
(74 |
/ |
235)
|
= |
11.0212766 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Clover Avenue Elementary
|
67 |
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 |
28688 |
2525 |
- |
2436 |
= |
89 |
* |
(88 |
/ |
245)
|
= |
31.9673469 |
| 4 |
28690 |
2545 |
- |
2485 |
= |
60 |
* |
(83 |
/ |
245)
|
= |
20.3265306 |
| 5 |
28691 |
2581 |
- |
2528 |
= |
53 |
* |
(74 |
/ |
245)
|
= |
16.00816325 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Clover Avenue Elementary
|
68 |
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 |
28736 |
2532 |
- |
2436 |
= |
96 |
* |
(86 |
/ |
246)
|
= |
33.56097552 |
| 4 |
28739 |
2543 |
- |
2485 |
= |
58 |
* |
(77 |
/ |
246)
|
= |
18.15447154 |
| 5 |
28740 |
2583 |
- |
2528 |
= |
55 |
* |
(83 |
/ |
246)
|
= |
18.55691052 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Clover Avenue Elementary
|
70 |
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 |
28916 |
2515 |
- |
2436 |
= |
79 |
* |
(85 |
/ |
227)
|
= |
29.58149778 |
| 4 |
28917 |
2554 |
- |
2485 |
= |
69 |
* |
(71 |
/ |
227)
|
= |
21.58149777 |
| 5 |
28918 |
2571 |
- |
2528 |
= |
43 |
* |
(71 |
/ |
227)
|
= |
13.44933919 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Clover Avenue Elementary
|
65 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
58
|
67
|
68
|
70
|
65
|
328.0 |
65.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 77.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 53.6
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:
