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 |
903604 |
2383 |
- |
2436 |
= |
-53 |
* |
(120 |
/ |
365)
|
= |
-17.42465752 |
| 4 |
903607 |
2418 |
- |
2485 |
= |
-67 |
* |
(138 |
/ |
365)
|
= |
-25.3315068 |
| 5 |
903608 |
2454 |
- |
2528 |
= |
-74 |
* |
(107 |
/ |
365)
|
= |
-21.69315062 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Hillery T. Broadous Elementary
|
-64 |
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 |
28555 |
2383 |
- |
2436 |
= |
-53 |
* |
(109 |
/ |
346)
|
= |
-16.69653175 |
| 4 |
28557 |
2439 |
- |
2485 |
= |
-46 |
* |
(111 |
/ |
346)
|
= |
-14.75722541 |
| 5 |
28559 |
2464 |
- |
2528 |
= |
-64 |
* |
(126 |
/ |
346)
|
= |
-23.30635834 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Hillery T. Broadous Elementary
|
-55 |
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 |
29122 |
2386 |
- |
2436 |
= |
-50 |
* |
(100 |
/ |
319)
|
= |
-15.67398115 |
| 4 |
29124 |
2401 |
- |
2485 |
= |
-84 |
* |
(105 |
/ |
319)
|
= |
-27.64890282 |
| 5 |
29126 |
2464 |
- |
2528 |
= |
-64 |
* |
(114 |
/ |
319)
|
= |
-22.87147334 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Hillery T. Broadous Elementary
|
-66 |
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 |
29170 |
2390 |
- |
2436 |
= |
-46 |
* |
(83 |
/ |
283)
|
= |
-13.49116607 |
| 4 |
29172 |
2420 |
- |
2485 |
= |
-65 |
* |
(92 |
/ |
283)
|
= |
-21.13074204 |
| 5 |
29174 |
2467 |
- |
2528 |
= |
-61 |
* |
(108 |
/ |
283)
|
= |
-23.2791519 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Hillery T. Broadous Elementary
|
-58 |
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 |
29350 |
2372 |
- |
2436 |
= |
-64 |
* |
(53 |
/ |
228)
|
= |
-14.87719296 |
| 4 |
29351 |
2443 |
- |
2485 |
= |
-42 |
* |
(86 |
/ |
228)
|
= |
-15.84210524 |
| 5 |
29352 |
2469 |
- |
2528 |
= |
-59 |
* |
(89 |
/ |
228)
|
= |
-23.03070174 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Hillery T. Broadous Elementary
|
-54 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-64
|
-55
|
-66
|
-58
|
-54
|
-297.0 |
-59.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -44.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -74.4
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:
