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 |
2240267 |
2384 |
- |
2436 |
= |
-52 |
* |
(73 |
/ |
200)
|
= |
-18.98 |
| 4 |
2240268 |
2428 |
- |
2485 |
= |
-57 |
* |
(67 |
/ |
200)
|
= |
-19.095 |
| 5 |
2240271 |
2439 |
- |
2528 |
= |
-89 |
* |
(60 |
/ |
200)
|
= |
-26.7 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Baker Elementary
|
-65 |
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 |
68770 |
2374 |
- |
2436 |
= |
-62 |
* |
(72 |
/ |
186)
|
= |
-23.99999999 |
| 4 |
68771 |
2443 |
- |
2485 |
= |
-42 |
* |
(63 |
/ |
186)
|
= |
-14.22580643 |
| 5 |
68774 |
2450 |
- |
2528 |
= |
-78 |
* |
(51 |
/ |
186)
|
= |
-21.38709674 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Baker Elementary
|
-60 |
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 |
70602 |
2414 |
- |
2436 |
= |
-22 |
* |
(63 |
/ |
183)
|
= |
-7.57377049 |
| 4 |
70604 |
2441 |
- |
2485 |
= |
-44 |
* |
(68 |
/ |
183)
|
= |
-16.34972676 |
| 5 |
70607 |
2478 |
- |
2528 |
= |
-50 |
* |
(52 |
/ |
183)
|
= |
-14.20765025 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Baker Elementary
|
-38 |
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 |
70749 |
2393 |
- |
2436 |
= |
-43 |
* |
(74 |
/ |
189)
|
= |
-16.83597881 |
| 4 |
70752 |
2440 |
- |
2485 |
= |
-45 |
* |
(60 |
/ |
189)
|
= |
-14.28571427 |
| 5 |
70753 |
2481 |
- |
2528 |
= |
-47 |
* |
(55 |
/ |
189)
|
= |
-13.67724868 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Baker Elementary
|
-45 |
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 |
71237 |
2402 |
- |
2436 |
= |
-34 |
* |
(77 |
/ |
215)
|
= |
-12.17674416 |
| 4 |
71238 |
2449 |
- |
2485 |
= |
-36 |
* |
(77 |
/ |
215)
|
= |
-12.89302322 |
| 5 |
71239 |
2473 |
- |
2528 |
= |
-55 |
* |
(61 |
/ |
215)
|
= |
-15.60465115 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Baker Elementary
|
-41 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-65
|
-60
|
-38
|
-45
|
-41
|
-249.0 |
-49.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -16.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -82.8
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:
