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 |
910640 |
2382 |
- |
2436 |
= |
-54 |
* |
(76 |
/ |
327)
|
= |
-12.55045871 |
| 4 |
910643 |
2434 |
- |
2485 |
= |
-51 |
* |
(96 |
/ |
327)
|
= |
-14.97247703 |
| 5 |
910644 |
2444 |
- |
2528 |
= |
-84 |
* |
(81 |
/ |
327)
|
= |
-20.80733945 |
| 6 |
910647 |
2452 |
- |
2552 |
= |
-100 |
* |
(74 |
/ |
327)
|
= |
-22.6299694 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Grant Elementary
|
-71 |
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 |
28783 |
2409 |
- |
2436 |
= |
-27 |
* |
(83 |
/ |
298)
|
= |
-7.5201342 |
| 4 |
28785 |
2451 |
- |
2485 |
= |
-34 |
* |
(73 |
/ |
298)
|
= |
-8.32885903 |
| 5 |
28787 |
2430 |
- |
2528 |
= |
-98 |
* |
(89 |
/ |
298)
|
= |
-29.26845636 |
| 6 |
28789 |
2484 |
- |
2552 |
= |
-68 |
* |
(53 |
/ |
298)
|
= |
-12.09395966 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Grant Elementary
|
-57 |
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 |
29348 |
2439 |
- |
2436 |
= |
3 |
* |
(70 |
/ |
285)
|
= |
0.73684211 |
| 4 |
29349 |
2453 |
- |
2485 |
= |
-32 |
* |
(79 |
/ |
285)
|
= |
-8.87017542 |
| 5 |
29352 |
2424 |
- |
2528 |
= |
-104 |
* |
(72 |
/ |
285)
|
= |
-26.27368411 |
| 6 |
29353 |
2443 |
- |
2552 |
= |
-109 |
* |
(64 |
/ |
285)
|
= |
-24.47719293 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Grant Elementary
|
-59 |
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 |
29396 |
2438 |
- |
2436 |
= |
2 |
* |
(81 |
/ |
291)
|
= |
0.55670103 |
| 4 |
29399 |
2483 |
- |
2485 |
= |
-2 |
* |
(70 |
/ |
291)
|
= |
-0.48109966 |
| 5 |
29400 |
2427 |
- |
2528 |
= |
-101 |
* |
(77 |
/ |
291)
|
= |
-26.72508581 |
| 6 |
29403 |
2468 |
- |
2552 |
= |
-84 |
* |
(63 |
/ |
291)
|
= |
-18.18556698 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Grant 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 |
29573 |
2435 |
- |
2436 |
= |
-1 |
* |
(50 |
/ |
267)
|
= |
-0.18726592 |
| 4 |
29574 |
2499 |
- |
2485 |
= |
14 |
* |
(82 |
/ |
267)
|
= |
4.29962546 |
| 5 |
29575 |
2435 |
- |
2528 |
= |
-93 |
* |
(69 |
/ |
267)
|
= |
-24.03370784 |
| 6 |
29576 |
2455 |
- |
2552 |
= |
-97 |
* |
(66 |
/ |
267)
|
= |
-23.97752807 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Grant Elementary
|
-44 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-71
|
-57
|
-59
|
-45
|
-44
|
-276.0 |
-55.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -22.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -88.2
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:
