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 |
2358945 |
2470 |
- |
2436 |
= |
34 |
* |
(79 |
/ |
227)
|
= |
11.83259911 |
| 4 |
2358947 |
2493 |
- |
2485 |
= |
8 |
* |
(84 |
/ |
227)
|
= |
2.96035242 |
| 5 |
2358950 |
2522 |
- |
2528 |
= |
-6 |
* |
(64 |
/ |
227)
|
= |
-1.69162995 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Alvarado Elementary
|
13 |
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 |
72075 |
2443 |
- |
2436 |
= |
7 |
* |
(83 |
/ |
231)
|
= |
2.51515151 |
| 4 |
72078 |
2512 |
- |
2485 |
= |
27 |
* |
(79 |
/ |
231)
|
= |
9.23376621 |
| 5 |
72080 |
2527 |
- |
2528 |
= |
-1 |
* |
(69 |
/ |
231)
|
= |
-0.2987013 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Alvarado Elementary
|
11 |
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 |
74050 |
2466 |
- |
2436 |
= |
30 |
* |
(84 |
/ |
239)
|
= |
10.54393305 |
| 4 |
74052 |
2488 |
- |
2485 |
= |
3 |
* |
(81 |
/ |
239)
|
= |
1.0167364 |
| 5 |
74053 |
2548 |
- |
2528 |
= |
20 |
* |
(74 |
/ |
239)
|
= |
6.1924686 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Alvarado Elementary
|
18 |
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 |
74224 |
2453 |
- |
2436 |
= |
17 |
* |
(83 |
/ |
235)
|
= |
6.00425531 |
| 4 |
74225 |
2491 |
- |
2485 |
= |
6 |
* |
(83 |
/ |
235)
|
= |
2.11914893 |
| 5 |
74228 |
2536 |
- |
2528 |
= |
8 |
* |
(69 |
/ |
235)
|
= |
2.34893617 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Alvarado Elementary
|
10 |
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 |
74747 |
2455 |
- |
2436 |
= |
19 |
* |
(76 |
/ |
225)
|
= |
6.41777776 |
| 4 |
74748 |
2505 |
- |
2485 |
= |
20 |
* |
(82 |
/ |
225)
|
= |
7.28888888 |
| 5 |
74749 |
2544 |
- |
2528 |
= |
16 |
* |
(67 |
/ |
225)
|
= |
4.76444443 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Alvarado Elementary
|
18 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
13
|
11
|
18
|
10
|
18
|
70.0 |
14.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 23.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 5.0
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:
