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 |
78354 |
2358 |
- |
2436 |
= |
-78 |
* |
(70 |
/ |
188)
|
= |
-29.04255315 |
| 4 |
78357 |
2402 |
- |
2485 |
= |
-83 |
* |
(58 |
/ |
188)
|
= |
-25.60638295 |
| 5 |
78358 |
2429 |
- |
2528 |
= |
-99 |
* |
(60 |
/ |
188)
|
= |
-31.59574466 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Community United Elementary
|
-86 |
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 |
2121 |
2326 |
- |
2436 |
= |
-110 |
* |
(69 |
/ |
191)
|
= |
-39.73821984 |
| 4 |
2124 |
2387 |
- |
2485 |
= |
-98 |
* |
(66 |
/ |
191)
|
= |
-33.86387432 |
| 5 |
2125 |
2412 |
- |
2528 |
= |
-116 |
* |
(56 |
/ |
191)
|
= |
-34.01047117 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Community United Elementary
|
-108 |
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 |
2183 |
2335 |
- |
2436 |
= |
-101 |
* |
(63 |
/ |
192)
|
= |
-33.140625 |
| 4 |
2185 |
2356 |
- |
2485 |
= |
-129 |
* |
(67 |
/ |
192)
|
= |
-45.01562496 |
| 5 |
2187 |
2394 |
- |
2528 |
= |
-134 |
* |
(62 |
/ |
192)
|
= |
-43.27083324 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Community United Elementary
|
-121 |
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 |
2173 |
2337 |
- |
2436 |
= |
-99 |
* |
(62 |
/ |
171)
|
= |
-35.8947368 |
| 4 |
2175 |
2367 |
- |
2485 |
= |
-118 |
* |
(56 |
/ |
171)
|
= |
-38.64327484 |
| 5 |
2177 |
2392 |
- |
2528 |
= |
-136 |
* |
(53 |
/ |
171)
|
= |
-42.15204672 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Community United Elementary
|
-117 |
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 |
2183 |
2350 |
- |
2436 |
= |
-86 |
* |
(54 |
/ |
167)
|
= |
-27.8083832 |
| 4 |
2184 |
2402 |
- |
2485 |
= |
-83 |
* |
(52 |
/ |
167)
|
= |
-25.84431134 |
| 5 |
2185 |
2402 |
- |
2528 |
= |
-126 |
* |
(61 |
/ |
167)
|
= |
-46.02395209 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Community United Elementary
|
-100 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-86
|
-108
|
-121
|
-117
|
-100
|
-532.0 |
-106.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -64.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -148.4
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:
