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 |
933774 |
2423 |
- |
2436 |
= |
-13 |
* |
(80 |
/ |
262)
|
= |
-3.96946564 |
| 4 |
933777 |
2431 |
- |
2485 |
= |
-54 |
* |
(97 |
/ |
262)
|
= |
-19.99236638 |
| 5 |
933778 |
2485 |
- |
2528 |
= |
-43 |
* |
(85 |
/ |
262)
|
= |
-13.95038164 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Multnomah Street Elementary
|
-38 |
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 |
29529 |
2415 |
- |
2436 |
= |
-21 |
* |
(71 |
/ |
253)
|
= |
-5.89328063 |
| 4 |
29531 |
2458 |
- |
2485 |
= |
-27 |
* |
(86 |
/ |
253)
|
= |
-9.1778656 |
| 5 |
29532 |
2463 |
- |
2528 |
= |
-65 |
* |
(96 |
/ |
253)
|
= |
-24.6640316 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Multnomah Street Elementary
|
-40 |
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 |
30094 |
2451 |
- |
2436 |
= |
15 |
* |
(62 |
/ |
220)
|
= |
4.22727272 |
| 4 |
30096 |
2468 |
- |
2485 |
= |
-17 |
* |
(73 |
/ |
220)
|
= |
-5.64090908 |
| 5 |
30098 |
2475 |
- |
2528 |
= |
-53 |
* |
(85 |
/ |
220)
|
= |
-20.47727271 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Multnomah Street Elementary
|
-22 |
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 |
30143 |
2429 |
- |
2436 |
= |
-7 |
* |
(85 |
/ |
227)
|
= |
-2.62114537 |
| 4 |
30144 |
2494 |
- |
2485 |
= |
9 |
* |
(67 |
/ |
227)
|
= |
2.65638767 |
| 5 |
30147 |
2481 |
- |
2528 |
= |
-47 |
* |
(75 |
/ |
227)
|
= |
-15.52863433 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Multnomah 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 |
30316 |
2440 |
- |
2436 |
= |
4 |
* |
(76 |
/ |
241)
|
= |
1.26141079 |
| 4 |
30317 |
2476 |
- |
2485 |
= |
-9 |
* |
(93 |
/ |
241)
|
= |
-3.47302904 |
| 5 |
30318 |
2515 |
- |
2528 |
= |
-13 |
* |
(72 |
/ |
241)
|
= |
-3.88381742 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Multnomah Street Elementary
|
-6 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-38
|
-40
|
-22
|
-15
|
-6
|
-121.0 |
-24.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 17.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -66.2
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:
