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 |
2373986 |
2524 |
- |
2436 |
= |
88 |
* |
(88 |
/ |
254)
|
= |
30.4881889 |
| 4 |
2373989 |
2548 |
- |
2485 |
= |
63 |
* |
(80 |
/ |
254)
|
= |
19.84251963 |
| 5 |
2373990 |
2575 |
- |
2528 |
= |
47 |
* |
(86 |
/ |
254)
|
= |
15.91338582 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Ulloa Elementary
|
66 |
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 |
72516 |
2522 |
- |
2436 |
= |
86 |
* |
(87 |
/ |
252)
|
= |
29.69047617 |
| 4 |
72517 |
2550 |
- |
2485 |
= |
65 |
* |
(88 |
/ |
252)
|
= |
22.69841269 |
| 5 |
72519 |
2584 |
- |
2528 |
= |
56 |
* |
(77 |
/ |
252)
|
= |
17.11111108 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Ulloa Elementary
|
69 |
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 |
74490 |
2519 |
- |
2436 |
= |
83 |
* |
(87 |
/ |
263)
|
= |
27.45627376 |
| 4 |
74492 |
2550 |
- |
2485 |
= |
65 |
* |
(88 |
/ |
263)
|
= |
21.7490494 |
| 5 |
74494 |
2579 |
- |
2528 |
= |
51 |
* |
(88 |
/ |
263)
|
= |
17.06463876 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Ulloa Elementary
|
66 |
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 |
74663 |
2532 |
- |
2436 |
= |
96 |
* |
(86 |
/ |
258)
|
= |
31.99999997 |
| 4 |
74666 |
2556 |
- |
2485 |
= |
71 |
* |
(85 |
/ |
258)
|
= |
23.39147284 |
| 5 |
74667 |
2569 |
- |
2528 |
= |
41 |
* |
(87 |
/ |
258)
|
= |
13.82558138 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Ulloa Elementary
|
69 |
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 |
75189 |
2503 |
- |
2436 |
= |
67 |
* |
(88 |
/ |
257)
|
= |
22.94163422 |
| 4 |
75190 |
2552 |
- |
2485 |
= |
67 |
* |
(84 |
/ |
257)
|
= |
21.89883268 |
| 5 |
75191 |
2582 |
- |
2528 |
= |
54 |
* |
(85 |
/ |
257)
|
= |
17.85992215 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Ulloa Elementary
|
63 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
66
|
69
|
66
|
69
|
63
|
333.0 |
66.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 72.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 60.6
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:
