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 |
327956 |
2386 |
- |
2436 |
= |
-50 |
* |
(89 |
/ |
343)
|
= |
-12.9737609 |
| 4 |
327959 |
2424 |
- |
2485 |
= |
-61 |
* |
(90 |
/ |
343)
|
= |
-16.00583087 |
| 5 |
327960 |
2446 |
- |
2528 |
= |
-82 |
* |
(90 |
/ |
343)
|
= |
-21.51603494 |
| 6 |
327963 |
2445 |
- |
2552 |
= |
-107 |
* |
(74 |
/ |
343)
|
= |
-23.08454808 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Lane Elementary
|
-74 |
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 |
9784 |
2396 |
- |
2436 |
= |
-40 |
* |
(103 |
/ |
363)
|
= |
-11.34986224 |
| 4 |
9785 |
2426 |
- |
2485 |
= |
-59 |
* |
(89 |
/ |
363)
|
= |
-14.46556472 |
| 5 |
9787 |
2436 |
- |
2528 |
= |
-92 |
* |
(84 |
/ |
363)
|
= |
-21.28925614 |
| 6 |
9790 |
2455 |
- |
2552 |
= |
-97 |
* |
(87 |
/ |
363)
|
= |
-23.24793384 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Lane Elementary
|
-70 |
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 |
10112 |
2410 |
- |
2436 |
= |
-26 |
* |
(94 |
/ |
377)
|
= |
-6.48275862 |
| 4 |
10113 |
2417 |
- |
2485 |
= |
-68 |
* |
(102 |
/ |
377)
|
= |
-18.39787797 |
| 5 |
10115 |
2445 |
- |
2528 |
= |
-83 |
* |
(87 |
/ |
377)
|
= |
-19.15384609 |
| 6 |
10118 |
2450 |
- |
2552 |
= |
-102 |
* |
(94 |
/ |
377)
|
= |
-25.43236074 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Lane Elementary
|
-69 |
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 |
10130 |
2412 |
- |
2436 |
= |
-24 |
* |
(88 |
/ |
373)
|
= |
-5.66219837 |
| 4 |
10131 |
2433 |
- |
2485 |
= |
-52 |
* |
(94 |
/ |
373)
|
= |
-13.1045576 |
| 5 |
10134 |
2449 |
- |
2528 |
= |
-79 |
* |
(105 |
/ |
373)
|
= |
-22.23860586 |
| 6 |
10135 |
2483 |
- |
2552 |
= |
-69 |
* |
(86 |
/ |
373)
|
= |
-15.90884714 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Lane Elementary
|
-57 |
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 |
10210 |
2422 |
- |
2436 |
= |
-14 |
* |
(84 |
/ |
361)
|
= |
-3.25761772 |
| 4 |
10211 |
2444 |
- |
2485 |
= |
-41 |
* |
(80 |
/ |
361)
|
= |
-9.08587257 |
| 5 |
10212 |
2468 |
- |
2528 |
= |
-60 |
* |
(94 |
/ |
361)
|
= |
-15.62326866 |
| 6 |
10213 |
2469 |
- |
2552 |
= |
-83 |
* |
(103 |
/ |
361)
|
= |
-23.6814404 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Lane Elementary
|
-52 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-74
|
-70
|
-69
|
-57
|
-52
|
-322.0 |
-64.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -37.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -91.4
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:
