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 |
971665 |
2424 |
- |
2436 |
= |
-12 |
* |
(38 |
/ |
145)
|
= |
-3.14482758 |
4 |
971666 |
2416 |
- |
2485 |
= |
-69 |
* |
(37 |
/ |
145)
|
= |
-17.6068965 |
5 |
971669 |
2452 |
- |
2528 |
= |
-76 |
* |
(49 |
/ |
145)
|
= |
-25.68275858 |
6 |
971670 |
2475 |
- |
2552 |
= |
-77 |
* |
(21 |
/ |
145)
|
= |
-11.15172412 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Vernon City Elementary
|
-58 |
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 |
30743 |
2386 |
- |
2436 |
= |
-50 |
* |
(23 |
/ |
140)
|
= |
-8.2142857 |
4 |
30745 |
2449 |
- |
2485 |
= |
-36 |
* |
(35 |
/ |
140)
|
= |
-9.0 |
5 |
30747 |
2453 |
- |
2528 |
= |
-75 |
* |
(39 |
/ |
140)
|
= |
-20.8928571 |
6 |
30748 |
2492 |
- |
2552 |
= |
-60 |
* |
(43 |
/ |
140)
|
= |
-18.42857142 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Vernon City Elementary
|
-57 |
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 |
31307 |
2426 |
- |
2436 |
= |
-10 |
* |
(48 |
/ |
142)
|
= |
-3.38028169 |
4 |
31309 |
2421 |
- |
2485 |
= |
-64 |
* |
(22 |
/ |
142)
|
= |
-9.91549293 |
5 |
31311 |
2489 |
- |
2528 |
= |
-39 |
* |
(40 |
/ |
142)
|
= |
-10.98591546 |
6 |
31314 |
2465 |
- |
2552 |
= |
-87 |
* |
(32 |
/ |
142)
|
= |
-19.60563374 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Vernon City Elementary
|
-44 |
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 |
31354 |
2419 |
- |
2436 |
= |
-17 |
* |
(28 |
/ |
119)
|
= |
-3.99999999 |
4 |
31356 |
2460 |
- |
2485 |
= |
-25 |
* |
(42 |
/ |
119)
|
= |
-8.8235294 |
5 |
31358 |
2429 |
- |
2528 |
= |
-99 |
* |
(21 |
/ |
119)
|
= |
-17.47058821 |
6 |
31360 |
2516 |
- |
2552 |
= |
-36 |
* |
(28 |
/ |
119)
|
= |
-8.47058821 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Vernon City Elementary
|
-39 |
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 |
31531 |
2458 |
- |
2436 |
= |
22 |
* |
(28 |
/ |
106)
|
= |
5.81132075 |
4 |
31532 |
2424 |
- |
2485 |
= |
-61 |
* |
(27 |
/ |
106)
|
= |
-15.53773584 |
5 |
31533 |
2491 |
- |
2528 |
= |
-37 |
* |
(41 |
/ |
106)
|
= |
-14.31132072 |
6 |
31534 |
0 |
- |
2552 |
= |
|
* |
(10 |
/ |
106)
|
= |
|
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Vernon City Elementary
|
-24 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-58
|
-57
|
-44
|
-39
|
-24
|
-222.0 |
-44.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -2.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -86.4
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: