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 |
2226149 |
2355 |
- |
2436 |
= |
-81 |
* |
(94 |
/ |
273)
|
= |
-27.89010986 |
| 4 |
2226150 |
2445 |
- |
2485 |
= |
-40 |
* |
(94 |
/ |
273)
|
= |
-13.77289376 |
| 5 |
2226153 |
2446 |
- |
2528 |
= |
-82 |
* |
(85 |
/ |
273)
|
= |
-25.5311355 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Rodriguez Elementary
|
-67 |
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 |
68279 |
2396 |
- |
2436 |
= |
-40 |
* |
(96 |
/ |
278)
|
= |
-13.81294964 |
| 4 |
68282 |
2427 |
- |
2485 |
= |
-58 |
* |
(87 |
/ |
278)
|
= |
-18.15107912 |
| 5 |
68283 |
2466 |
- |
2528 |
= |
-62 |
* |
(95 |
/ |
278)
|
= |
-21.18705032 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Rodriguez Elementary
|
-53 |
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 |
70096 |
2383 |
- |
2436 |
= |
-53 |
* |
(89 |
/ |
249)
|
= |
-18.94377505 |
| 4 |
70099 |
2437 |
- |
2485 |
= |
-48 |
* |
(89 |
/ |
249)
|
= |
-17.15662646 |
| 5 |
70101 |
2472 |
- |
2528 |
= |
-56 |
* |
(71 |
/ |
249)
|
= |
-15.96787147 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Rodriguez Elementary
|
-52 |
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 |
70255 |
2370 |
- |
2436 |
= |
-66 |
* |
(80 |
/ |
246)
|
= |
-21.46341463 |
| 4 |
70257 |
2426 |
- |
2485 |
= |
-59 |
* |
(91 |
/ |
246)
|
= |
-21.82520324 |
| 5 |
70259 |
2476 |
- |
2528 |
= |
-52 |
* |
(75 |
/ |
246)
|
= |
-15.8536585 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Rodriguez Elementary
|
-59 |
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 |
70771 |
2381 |
- |
2436 |
= |
-55 |
* |
(49 |
/ |
188)
|
= |
-14.33510634 |
| 4 |
70772 |
2430 |
- |
2485 |
= |
-55 |
* |
(69 |
/ |
188)
|
= |
-20.18617018 |
| 5 |
70773 |
2467 |
- |
2528 |
= |
-61 |
* |
(70 |
/ |
188)
|
= |
-22.71276593 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Rodriguez Elementary
|
-57 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-67
|
-53
|
-52
|
-59
|
-57
|
-288.0 |
-57.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -42.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -72.6
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:
