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 |
94089 |
2419 |
- |
2436 |
= |
-17 |
* |
(66 |
/ |
197)
|
= |
-5.69543146 |
| 4 |
94092 |
2467 |
- |
2485 |
= |
-18 |
* |
(61 |
/ |
197)
|
= |
-5.57360406 |
| 5 |
94093 |
2492 |
- |
2528 |
= |
-36 |
* |
(70 |
/ |
197)
|
= |
-12.79187816 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Redwood Heights Elementary
|
-24 |
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 |
2654 |
2456 |
- |
2436 |
= |
20 |
* |
(60 |
/ |
185)
|
= |
6.48648648 |
| 4 |
2655 |
2466 |
- |
2485 |
= |
-19 |
* |
(67 |
/ |
185)
|
= |
-6.88108108 |
| 5 |
2658 |
2508 |
- |
2528 |
= |
-20 |
* |
(58 |
/ |
185)
|
= |
-6.27027026 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Redwood Heights Elementary
|
-7 |
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 |
2728 |
2438 |
- |
2436 |
= |
2 |
* |
(46 |
/ |
168)
|
= |
0.54761905 |
| 4 |
2729 |
2501 |
- |
2485 |
= |
16 |
* |
(57 |
/ |
168)
|
= |
5.42857142 |
| 5 |
2731 |
2503 |
- |
2528 |
= |
-25 |
* |
(65 |
/ |
168)
|
= |
-9.67261903 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Redwood Heights Elementary
|
-4 |
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 |
2732 |
2441 |
- |
2436 |
= |
5 |
* |
(59 |
/ |
169)
|
= |
1.74556213 |
| 4 |
2733 |
2464 |
- |
2485 |
= |
-21 |
* |
(51 |
/ |
169)
|
= |
-6.33727809 |
| 5 |
2736 |
2523 |
- |
2528 |
= |
-5 |
* |
(59 |
/ |
169)
|
= |
-1.74556213 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Redwood Heights Elementary
|
-6 |
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 |
2753 |
2451 |
- |
2436 |
= |
15 |
* |
(51 |
/ |
168)
|
= |
4.55357142 |
| 4 |
2754 |
2478 |
- |
2485 |
= |
-7 |
* |
(60 |
/ |
168)
|
= |
-2.5 |
| 5 |
2755 |
2496 |
- |
2528 |
= |
-32 |
* |
(57 |
/ |
168)
|
= |
-10.85714285 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Redwood Heights Elementary
|
-9 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-24
|
-7
|
-4
|
-6
|
-9
|
-50.0 |
-10.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 14.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -34.0
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:
