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 |
931155 |
2383 |
- |
2436 |
= |
-53 |
* |
(48 |
/ |
102)
|
= |
-24.94117646 |
| 4 |
931158 |
2415 |
- |
2485 |
= |
-70 |
* |
(33 |
/ |
102)
|
= |
-22.64705877 |
| 5 |
931159 |
2453 |
- |
2528 |
= |
-75 |
* |
(21 |
/ |
102)
|
= |
-15.4411764 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Micheltorena Street Elementary
|
-63 |
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 |
29442 |
2429 |
- |
2436 |
= |
-7 |
* |
(65 |
/ |
143)
|
= |
-3.18181818 |
| 4 |
29445 |
2464 |
- |
2485 |
= |
-21 |
* |
(46 |
/ |
143)
|
= |
-6.75524474 |
| 5 |
29447 |
2439 |
- |
2528 |
= |
-89 |
* |
(32 |
/ |
143)
|
= |
-19.91608385 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Micheltorena Street Elementary
|
-30 |
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 |
30007 |
2414 |
- |
2436 |
= |
-22 |
* |
(61 |
/ |
170)
|
= |
-7.89411764 |
| 4 |
30009 |
2463 |
- |
2485 |
= |
-22 |
* |
(66 |
/ |
170)
|
= |
-8.54117647 |
| 5 |
30011 |
2446 |
- |
2528 |
= |
-82 |
* |
(43 |
/ |
170)
|
= |
-20.74117643 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Micheltorena Street Elementary
|
-37 |
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 |
30057 |
2425 |
- |
2436 |
= |
-11 |
* |
(57 |
/ |
182)
|
= |
-3.44505494 |
| 4 |
30058 |
2479 |
- |
2485 |
= |
-6 |
* |
(62 |
/ |
182)
|
= |
-2.04395604 |
| 5 |
30061 |
2500 |
- |
2528 |
= |
-28 |
* |
(63 |
/ |
182)
|
= |
-9.69230769 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Micheltorena Street 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 |
30230 |
2442 |
- |
2436 |
= |
6 |
* |
(65 |
/ |
175)
|
= |
2.22857143 |
| 4 |
30231 |
2476 |
- |
2485 |
= |
-9 |
* |
(51 |
/ |
175)
|
= |
-2.62285714 |
| 5 |
30232 |
2491 |
- |
2528 |
= |
-37 |
* |
(59 |
/ |
175)
|
= |
-12.47428571 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Micheltorena Street Elementary
|
-13 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-63
|
-30
|
-37
|
-15
|
-13
|
-158.0 |
-31.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 28.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -91.6
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:
