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 |
1880062 |
2426 |
- |
2436 |
= |
-10 |
* |
(66 |
/ |
361)
|
= |
-1.82825484 |
4 |
1880065 |
2454 |
- |
2485 |
= |
-31 |
* |
(101 |
/ |
361)
|
= |
-8.67313018 |
5 |
1880066 |
2511 |
- |
2528 |
= |
-17 |
* |
(102 |
/ |
361)
|
= |
-4.80332409 |
6 |
1880069 |
2528 |
- |
2552 |
= |
-24 |
* |
(92 |
/ |
361)
|
= |
-6.11634348 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Earl Legette Elementary
|
-21 |
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 |
57999 |
2423 |
- |
2436 |
= |
-13 |
* |
(81 |
/ |
349)
|
= |
-3.01719197 |
4 |
58000 |
2478 |
- |
2485 |
= |
-7 |
* |
(74 |
/ |
349)
|
= |
-1.48424068 |
5 |
58003 |
2480 |
- |
2528 |
= |
-48 |
* |
(94 |
/ |
349)
|
= |
-12.92836675 |
6 |
58004 |
2535 |
- |
2552 |
= |
-17 |
* |
(100 |
/ |
349)
|
= |
-4.87106017 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Earl Legette Elementary
|
-22 |
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 |
59693 |
2414 |
- |
2436 |
= |
-22 |
* |
(95 |
/ |
328)
|
= |
-6.37195121 |
4 |
59695 |
2469 |
- |
2485 |
= |
-16 |
* |
(76 |
/ |
328)
|
= |
-3.70731707 |
5 |
59697 |
2514 |
- |
2528 |
= |
-14 |
* |
(74 |
/ |
328)
|
= |
-3.15853658 |
6 |
59700 |
2537 |
- |
2552 |
= |
-15 |
* |
(83 |
/ |
328)
|
= |
-3.7957317 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Earl Legette Elementary
|
-17 |
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 |
59811 |
2423 |
- |
2436 |
= |
-13 |
* |
(68 |
/ |
307)
|
= |
-2.87947882 |
4 |
59812 |
2448 |
- |
2485 |
= |
-37 |
* |
(90 |
/ |
307)
|
= |
-10.84690553 |
5 |
59815 |
2507 |
- |
2528 |
= |
-21 |
* |
(78 |
/ |
307)
|
= |
-5.33550488 |
6 |
59816 |
2562 |
- |
2552 |
= |
10 |
* |
(71 |
/ |
307)
|
= |
2.31270358 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Earl Legette Elementary
|
-17 |
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 |
60066 |
2453 |
- |
2436 |
= |
17 |
* |
(69 |
/ |
294)
|
= |
3.98979591 |
4 |
60067 |
2483 |
- |
2485 |
= |
-2 |
* |
(72 |
/ |
294)
|
= |
-0.48979592 |
5 |
60068 |
2499 |
- |
2528 |
= |
-29 |
* |
(89 |
/ |
294)
|
= |
-8.77891155 |
6 |
60069 |
2571 |
- |
2552 |
= |
19 |
* |
(64 |
/ |
294)
|
= |
4.13605441 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Earl Legette Elementary
|
-1 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-21
|
-22
|
-17
|
-17
|
-1
|
-78.0 |
-15.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 8.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -39.6
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: