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 |
2360012 |
2334 |
- |
2436 |
= |
-102 |
* |
(24 |
/ |
87)
|
= |
-28.13793094 |
| 4 |
2360015 |
2404 |
- |
2485 |
= |
-81 |
* |
(28 |
/ |
87)
|
= |
-26.06896548 |
| 5 |
2360016 |
2414 |
- |
2528 |
= |
-114 |
* |
(35 |
/ |
87)
|
= |
-45.8620689 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Harte (Bret) Elementary
|
-100 |
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 |
72106 |
2362 |
- |
2436 |
= |
-74 |
* |
(27 |
/ |
75)
|
= |
-26.64 |
| 4 |
72108 |
2406 |
- |
2485 |
= |
-79 |
* |
(22 |
/ |
75)
|
= |
-23.17333331 |
| 5 |
72109 |
2424 |
- |
2528 |
= |
-104 |
* |
(26 |
/ |
75)
|
= |
-36.05333326 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Harte (Bret) Elementary
|
-86 |
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 |
74079 |
2383 |
- |
2436 |
= |
-53 |
* |
(35 |
/ |
80)
|
= |
-23.1875 |
| 4 |
74082 |
2402 |
- |
2485 |
= |
-83 |
* |
(28 |
/ |
80)
|
= |
-29.05 |
| 5 |
74084 |
2401 |
- |
2528 |
= |
-127 |
* |
(17 |
/ |
80)
|
= |
-26.9875 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Harte (Bret) Elementary
|
-79 |
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 |
74253 |
2347 |
- |
2436 |
= |
-89 |
* |
(31 |
/ |
86)
|
= |
-32.08139532 |
| 4 |
74256 |
2403 |
- |
2485 |
= |
-82 |
* |
(29 |
/ |
86)
|
= |
-27.65116276 |
| 5 |
74257 |
2399 |
- |
2528 |
= |
-129 |
* |
(26 |
/ |
86)
|
= |
-38.99999995 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Harte (Bret) Elementary
|
-99 |
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 |
74777 |
2352 |
- |
2436 |
= |
-84 |
* |
(32 |
/ |
77)
|
= |
-34.90909086 |
| 4 |
74778 |
2407 |
- |
2485 |
= |
-78 |
* |
(27 |
/ |
77)
|
= |
-27.3506493 |
| 5 |
74779 |
2410 |
- |
2528 |
= |
-118 |
* |
(18 |
/ |
77)
|
= |
-27.58441549 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Harte (Bret) Elementary
|
-90 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-100
|
-86
|
-79
|
-99
|
-90
|
-454.0 |
-90.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -66.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -114.8
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:
