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 |
6 |
828701 |
2396 |
- |
2552 |
= |
-156 |
* |
(179 |
/ |
656)
|
= |
-42.56707307 |
7 |
828702 |
2391 |
- |
2567 |
= |
-176 |
* |
(200 |
/ |
656)
|
= |
-53.65853645 |
8 |
828705 |
2420 |
- |
2586 |
= |
-166 |
* |
(277 |
/ |
656)
|
= |
-70.0945121 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Barack Obama Global Preparation Academy
|
-166 |
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 |
6 |
25963 |
2378 |
- |
2552 |
= |
-174 |
* |
(143 |
/ |
549)
|
= |
-45.32240431 |
7 |
25964 |
2391 |
- |
2567 |
= |
-176 |
* |
(201 |
/ |
549)
|
= |
-64.43715837 |
8 |
25967 |
2410 |
- |
2586 |
= |
-176 |
* |
(205 |
/ |
549)
|
= |
-65.71948997 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Barack Obama Global Preparation Academy
|
-175 |
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 |
6 |
26444 |
2376 |
- |
2552 |
= |
-176 |
* |
(119 |
/ |
481)
|
= |
-43.54261947 |
7 |
26445 |
2390 |
- |
2567 |
= |
-177 |
* |
(163 |
/ |
481)
|
= |
-59.98128883 |
8 |
26448 |
2385 |
- |
2586 |
= |
-201 |
* |
(199 |
/ |
481)
|
= |
-83.15800401 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Barack Obama Global Preparation Academy
|
-187 |
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 |
6 |
26413 |
2380 |
- |
2552 |
= |
-172 |
* |
(112 |
/ |
396)
|
= |
-48.6464645 |
7 |
26414 |
2381 |
- |
2567 |
= |
-186 |
* |
(119 |
/ |
396)
|
= |
-55.8939393 |
8 |
26417 |
2407 |
- |
2586 |
= |
-179 |
* |
(165 |
/ |
396)
|
= |
-74.58333321 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Barack Obama Global Preparation Academy
|
-179 |
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 |
6 |
26548 |
2387 |
- |
2552 |
= |
-165 |
* |
(118 |
/ |
366)
|
= |
-53.19672122 |
7 |
26549 |
2408 |
- |
2567 |
= |
-159 |
* |
(118 |
/ |
366)
|
= |
-51.26229499 |
8 |
26550 |
2415 |
- |
2586 |
= |
-171 |
* |
(130 |
/ |
366)
|
= |
-60.73770478 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Barack Obama Global Preparation Academy
|
-165 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-166
|
-175
|
-187
|
-179
|
-165
|
-872.0 |
-174.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -147.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -201.4
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: