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 |
919034 |
2406 |
- |
2436 |
= |
-30 |
* |
(66 |
/ |
185)
|
= |
-10.70270268 |
| 4 |
919037 |
2454 |
- |
2485 |
= |
-31 |
* |
(61 |
/ |
185)
|
= |
-10.2216216 |
| 5 |
919038 |
2463 |
- |
2528 |
= |
-65 |
* |
(58 |
/ |
185)
|
= |
-20.37837835 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Kentwood Elementary
|
-41 |
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 |
29057 |
2435 |
- |
2436 |
= |
-1 |
* |
(67 |
/ |
180)
|
= |
-0.37222222 |
| 4 |
29058 |
2489 |
- |
2485 |
= |
4 |
* |
(58 |
/ |
180)
|
= |
1.28888889 |
| 5 |
29061 |
2477 |
- |
2528 |
= |
-51 |
* |
(55 |
/ |
180)
|
= |
-15.58333331 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Kentwood Elementary
|
-15 |
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 |
29621 |
2440 |
- |
2436 |
= |
4 |
* |
(49 |
/ |
171)
|
= |
1.14619883 |
| 4 |
29624 |
2472 |
- |
2485 |
= |
-13 |
* |
(61 |
/ |
171)
|
= |
-4.6374269 |
| 5 |
29625 |
2478 |
- |
2528 |
= |
-50 |
* |
(61 |
/ |
171)
|
= |
-17.8362573 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Kentwood 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 |
29671 |
2453 |
- |
2436 |
= |
17 |
* |
(57 |
/ |
151)
|
= |
6.41721853 |
| 4 |
29673 |
2465 |
- |
2485 |
= |
-20 |
* |
(39 |
/ |
151)
|
= |
-5.1655629 |
| 5 |
29675 |
2481 |
- |
2528 |
= |
-47 |
* |
(55 |
/ |
151)
|
= |
-17.11920527 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Kentwood Elementary
|
-16 |
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 |
29846 |
2462 |
- |
2436 |
= |
26 |
* |
(42 |
/ |
132)
|
= |
8.27272727 |
| 4 |
29847 |
2492 |
- |
2485 |
= |
7 |
* |
(55 |
/ |
132)
|
= |
2.91666666 |
| 5 |
29848 |
2480 |
- |
2528 |
= |
-48 |
* |
(35 |
/ |
132)
|
= |
-12.72727272 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Kentwood Elementary
|
-2 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-41
|
-15
|
-21
|
-16
|
-2
|
-95.0 |
-19.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 23.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -61.0
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:
