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 |
988248 |
2443 |
- |
2552 |
= |
-109 |
* |
(238 |
/ |
703)
|
= |
-36.90184918 |
7 |
988249 |
2429 |
- |
2567 |
= |
-138 |
* |
(174 |
/ |
703)
|
= |
-34.15647218 |
8 |
988252 |
2471 |
- |
2586 |
= |
-115 |
* |
(291 |
/ |
703)
|
= |
-47.60312944 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for John Muir Middle
|
-119 |
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 |
31239 |
2410 |
- |
2552 |
= |
-142 |
* |
(281 |
/ |
921)
|
= |
-43.32464702 |
7 |
31241 |
2435 |
- |
2567 |
= |
-132 |
* |
(325 |
/ |
921)
|
= |
-46.57980452 |
8 |
31243 |
2437 |
- |
2586 |
= |
-149 |
* |
(315 |
/ |
921)
|
= |
-50.96091191 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for John Muir Middle
|
-141 |
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 |
31799 |
2405 |
- |
2552 |
= |
-147 |
* |
(272 |
/ |
925)
|
= |
-43.22594594 |
7 |
31801 |
2434 |
- |
2567 |
= |
-133 |
* |
(305 |
/ |
925)
|
= |
-43.85405396 |
8 |
31804 |
2426 |
- |
2586 |
= |
-160 |
* |
(348 |
/ |
925)
|
= |
-60.19459456 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for John Muir Middle
|
-147 |
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 |
31836 |
2457 |
- |
2552 |
= |
-95 |
* |
(220 |
/ |
809)
|
= |
-25.83436337 |
7 |
31839 |
2420 |
- |
2567 |
= |
-147 |
* |
(288 |
/ |
809)
|
= |
-52.33127309 |
8 |
31840 |
2447 |
- |
2586 |
= |
-139 |
* |
(301 |
/ |
809)
|
= |
-51.71693436 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for John Muir Middle
|
-130 |
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 |
32014 |
2427 |
- |
2552 |
= |
-125 |
* |
(228 |
/ |
766)
|
= |
-37.20626625 |
7 |
32015 |
2439 |
- |
2567 |
= |
-128 |
* |
(253 |
/ |
766)
|
= |
-42.27676237 |
8 |
32016 |
2424 |
- |
2586 |
= |
-162 |
* |
(285 |
/ |
766)
|
= |
-60.27415141 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for John Muir Middle
|
-140 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-119
|
-141
|
-147
|
-130
|
-140
|
-677.0 |
-135.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -102.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -168.4
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: