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 |
2372109 |
2371 |
- |
2436 |
= |
-65 |
* |
(45 |
/ |
100)
|
= |
-29.25 |
| 4 |
2372110 |
2432 |
- |
2485 |
= |
-53 |
* |
(28 |
/ |
100)
|
= |
-14.84 |
| 5 |
2372113 |
2470 |
- |
2528 |
= |
-58 |
* |
(27 |
/ |
100)
|
= |
-15.66 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Sheridan Elementary
|
-60 |
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 |
72460 |
2423 |
- |
2436 |
= |
-13 |
* |
(32 |
/ |
96)
|
= |
-4.33333333 |
| 4 |
72462 |
2432 |
- |
2485 |
= |
-53 |
* |
(39 |
/ |
96)
|
= |
-21.53125 |
| 5 |
72464 |
2483 |
- |
2528 |
= |
-45 |
* |
(25 |
/ |
96)
|
= |
-11.71874997 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Sheridan Elementary
|
-38 |
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 |
74434 |
2440 |
- |
2436 |
= |
4 |
* |
(39 |
/ |
102)
|
= |
1.52941176 |
| 4 |
74436 |
2421 |
- |
2485 |
= |
-64 |
* |
(29 |
/ |
102)
|
= |
-18.1960784 |
| 5 |
74438 |
2428 |
- |
2528 |
= |
-100 |
* |
(34 |
/ |
102)
|
= |
-33.3333333 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Sheridan Elementary
|
-50 |
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 |
74608 |
2384 |
- |
2436 |
= |
-52 |
* |
(35 |
/ |
94)
|
= |
-19.3617021 |
| 4 |
74609 |
2462 |
- |
2485 |
= |
-23 |
* |
(33 |
/ |
94)
|
= |
-8.07446807 |
| 5 |
74612 |
2412 |
- |
2528 |
= |
-116 |
* |
(26 |
/ |
94)
|
= |
-32.0851063 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Sheridan Elementary
|
-60 |
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 |
75133 |
2384 |
- |
2436 |
= |
-52 |
* |
(32 |
/ |
98)
|
= |
-16.97959182 |
| 4 |
75134 |
2418 |
- |
2485 |
= |
-67 |
* |
(33 |
/ |
98)
|
= |
-22.56122443 |
| 5 |
75135 |
2462 |
- |
2528 |
= |
-66 |
* |
(33 |
/ |
98)
|
= |
-22.22448974 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Sheridan Elementary
|
-62 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-60
|
-38
|
-50
|
-60
|
-62
|
-270.0 |
-54.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -24.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -84.0
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:
