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 |
1008393 |
2380 |
- |
2436 |
= |
-56 |
* |
(112 |
/ |
423)
|
= |
-14.82742313 |
4 |
1008394 |
2406 |
- |
2485 |
= |
-79 |
* |
(106 |
/ |
423)
|
= |
-19.79669026 |
5 |
1008397 |
2458 |
- |
2528 |
= |
-70 |
* |
(110 |
/ |
423)
|
= |
-18.20330967 |
6 |
1008398 |
2483 |
- |
2552 |
= |
-69 |
* |
(95 |
/ |
423)
|
= |
-15.49645387 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Gratts Learning Academy for Young Scholars (GLAYS)
|
-68 |
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 |
31828 |
2388 |
- |
2436 |
= |
-48 |
* |
(132 |
/ |
449)
|
= |
-14.11135853 |
4 |
31830 |
2423 |
- |
2485 |
= |
-62 |
* |
(109 |
/ |
449)
|
= |
-15.0512249 |
5 |
31832 |
2452 |
- |
2528 |
= |
-76 |
* |
(105 |
/ |
449)
|
= |
-17.77282846 |
6 |
31835 |
2471 |
- |
2552 |
= |
-81 |
* |
(103 |
/ |
449)
|
= |
-18.5812917 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Gratts Learning Academy for Young Scholars (GLAYS)
|
-66 |
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 |
32382 |
2389 |
- |
2436 |
= |
-47 |
* |
(115 |
/ |
440)
|
= |
-12.28409089 |
4 |
32383 |
2429 |
- |
2485 |
= |
-56 |
* |
(121 |
/ |
440)
|
= |
-15.4 |
5 |
32386 |
2427 |
- |
2528 |
= |
-101 |
* |
(104 |
/ |
440)
|
= |
-23.87272724 |
6 |
32387 |
2454 |
- |
2552 |
= |
-98 |
* |
(100 |
/ |
440)
|
= |
-22.27272725 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Gratts Learning Academy for Young Scholars (GLAYS)
|
-74 |
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 |
32408 |
2382 |
- |
2436 |
= |
-54 |
* |
(119 |
/ |
439)
|
= |
-14.63781321 |
4 |
32410 |
2431 |
- |
2485 |
= |
-54 |
* |
(109 |
/ |
439)
|
= |
-13.40774483 |
5 |
32412 |
2455 |
- |
2528 |
= |
-73 |
* |
(112 |
/ |
439)
|
= |
-18.62414573 |
6 |
32414 |
2446 |
- |
2552 |
= |
-106 |
* |
(99 |
/ |
439)
|
= |
-23.90432797 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Gratts Learning Academy for Young Scholars (GLAYS)
|
-71 |
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 |
32591 |
2399 |
- |
2436 |
= |
-37 |
* |
(90 |
/ |
402)
|
= |
-8.28358209 |
4 |
32592 |
2433 |
- |
2485 |
= |
-52 |
* |
(105 |
/ |
402)
|
= |
-13.58208951 |
5 |
32593 |
2453 |
- |
2528 |
= |
-75 |
* |
(104 |
/ |
402)
|
= |
-19.40298503 |
6 |
32594 |
2462 |
- |
2552 |
= |
-90 |
* |
(103 |
/ |
402)
|
= |
-23.05970145 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Gratts Learning Academy for Young Scholars (GLAYS)
|
-64 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-68
|
-66
|
-74
|
-71
|
-64
|
-343.0 |
-68.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -59.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -77.6
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: