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 |
2381066 |
2431 |
- |
2436 |
= |
-5 |
* |
(63 |
/ |
181)
|
= |
-1.74033149 |
| 4 |
2381067 |
2464 |
- |
2485 |
= |
-21 |
* |
(61 |
/ |
181)
|
= |
-7.07734805 |
| 5 |
2381070 |
2501 |
- |
2528 |
= |
-27 |
* |
(57 |
/ |
181)
|
= |
-8.50276243 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Moscone (George R.) Elementary
|
-17 |
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 |
72711 |
2432 |
- |
2436 |
= |
-4 |
* |
(65 |
/ |
190)
|
= |
-1.36842105 |
| 4 |
72714 |
2480 |
- |
2485 |
= |
-5 |
* |
(65 |
/ |
190)
|
= |
-1.71052632 |
| 5 |
72715 |
2476 |
- |
2528 |
= |
-52 |
* |
(60 |
/ |
190)
|
= |
-16.4210526 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Moscone (George R.) Elementary
|
-19 |
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 |
74684 |
2454 |
- |
2436 |
= |
18 |
* |
(65 |
/ |
205)
|
= |
5.70731706 |
| 4 |
74685 |
2470 |
- |
2485 |
= |
-15 |
* |
(71 |
/ |
205)
|
= |
-5.19512195 |
| 5 |
74687 |
2486 |
- |
2528 |
= |
-42 |
* |
(69 |
/ |
205)
|
= |
-14.13658533 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Moscone (George R.) Elementary
|
-14 |
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 |
74858 |
2438 |
- |
2436 |
= |
2 |
* |
(62 |
/ |
198)
|
= |
0.62626263 |
| 4 |
74859 |
2482 |
- |
2485 |
= |
-3 |
* |
(64 |
/ |
198)
|
= |
-0.96969697 |
| 5 |
74862 |
2489 |
- |
2528 |
= |
-39 |
* |
(72 |
/ |
198)
|
= |
-14.18181816 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Moscone (George R.) Elementary
|
-15 |
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 |
75383 |
2441 |
- |
2436 |
= |
5 |
* |
(64 |
/ |
194)
|
= |
1.64948454 |
| 4 |
75384 |
2476 |
- |
2485 |
= |
-9 |
* |
(65 |
/ |
194)
|
= |
-3.01546391 |
| 5 |
75385 |
2502 |
- |
2528 |
= |
-26 |
* |
(65 |
/ |
194)
|
= |
-8.7113402 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Moscone (George R.) Elementary
|
-10 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-17
|
-19
|
-14
|
-15
|
-10
|
-75.0 |
-15.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -6.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -24.0
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:
