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 |
2259418 |
2461 |
- |
2436 |
= |
25 |
* |
(78 |
/ |
199)
|
= |
9.79899495 |
| 4 |
2259419 |
2497 |
- |
2485 |
= |
12 |
* |
(58 |
/ |
199)
|
= |
3.49748743 |
| 5 |
2259422 |
2534 |
- |
2528 |
= |
6 |
* |
(63 |
/ |
199)
|
= |
1.89949748 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Pacific Beach Elementary
|
15 |
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 |
69329 |
2447 |
- |
2436 |
= |
11 |
* |
(64 |
/ |
202)
|
= |
3.48514851 |
| 4 |
69332 |
2502 |
- |
2485 |
= |
17 |
* |
(74 |
/ |
202)
|
= |
6.22772276 |
| 5 |
69333 |
2540 |
- |
2528 |
= |
12 |
* |
(64 |
/ |
202)
|
= |
3.8019802 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Pacific Beach Elementary
|
14 |
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 |
71163 |
2467 |
- |
2436 |
= |
31 |
* |
(72 |
/ |
206)
|
= |
10.83495145 |
| 4 |
71164 |
2508 |
- |
2485 |
= |
23 |
* |
(62 |
/ |
206)
|
= |
6.92233008 |
| 5 |
71166 |
2536 |
- |
2528 |
= |
8 |
* |
(72 |
/ |
206)
|
= |
2.7961165 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Pacific Beach Elementary
|
21 |
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 |
71308 |
2477 |
- |
2436 |
= |
41 |
* |
(54 |
/ |
184)
|
= |
12.03260866 |
| 4 |
71310 |
2526 |
- |
2485 |
= |
41 |
* |
(73 |
/ |
184)
|
= |
16.26630433 |
| 5 |
71312 |
2500 |
- |
2528 |
= |
-28 |
* |
(57 |
/ |
184)
|
= |
-8.67391302 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Pacific Beach Elementary
|
20 |
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 |
71795 |
2491 |
- |
2436 |
= |
55 |
* |
(44 |
/ |
167)
|
= |
14.49101792 |
| 4 |
71796 |
2488 |
- |
2485 |
= |
3 |
* |
(55 |
/ |
167)
|
= |
0.98802395 |
| 5 |
71797 |
2548 |
- |
2528 |
= |
20 |
* |
(68 |
/ |
167)
|
= |
8.14371256 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Pacific Beach Elementary
|
24 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
15
|
14
|
21
|
20
|
24
|
94.0 |
18.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 30.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 6.8
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:
