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 |
948114 |
2419 |
- |
2436 |
= |
-17 |
* |
(37 |
/ |
116)
|
= |
-5.42241379 |
4 |
948117 |
2435 |
- |
2485 |
= |
-50 |
* |
(27 |
/ |
116)
|
= |
-11.637931 |
5 |
948118 |
2457 |
- |
2528 |
= |
-71 |
* |
(31 |
/ |
116)
|
= |
-18.97413791 |
6 |
948121 |
2509 |
- |
2552 |
= |
-43 |
* |
(21 |
/ |
116)
|
= |
-7.78448273 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Richland Avenue Elementary
|
-44 |
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 |
29991 |
2419 |
- |
2436 |
= |
-17 |
* |
(36 |
/ |
117)
|
= |
-5.23076922 |
4 |
29992 |
2447 |
- |
2485 |
= |
-38 |
* |
(35 |
/ |
117)
|
= |
-11.36752136 |
5 |
29994 |
2464 |
- |
2528 |
= |
-64 |
* |
(25 |
/ |
117)
|
= |
-13.67521363 |
6 |
29996 |
2488 |
- |
2552 |
= |
-64 |
* |
(21 |
/ |
117)
|
= |
-11.48717946 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Richland Avenue Elementary
|
-42 |
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 |
30555 |
2399 |
- |
2436 |
= |
-37 |
* |
(28 |
/ |
102)
|
= |
-10.15686271 |
4 |
30557 |
2457 |
- |
2485 |
= |
-28 |
* |
(27 |
/ |
102)
|
= |
-7.4117647 |
5 |
30559 |
2482 |
- |
2528 |
= |
-46 |
* |
(34 |
/ |
102)
|
= |
-15.33333332 |
6 |
30562 |
2546 |
- |
2552 |
= |
-6 |
* |
(13 |
/ |
102)
|
= |
-0.76470588 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Richland Avenue Elementary
|
-34 |
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 |
30606 |
2450 |
- |
2436 |
= |
14 |
* |
(22 |
/ |
98)
|
= |
3.14285713 |
4 |
30608 |
2485 |
- |
2485 |
= |
0 |
* |
(29 |
/ |
98)
|
= |
0.0 |
5 |
30610 |
2498 |
- |
2528 |
= |
-30 |
* |
(27 |
/ |
98)
|
= |
-8.26530612 |
6 |
30612 |
2555 |
- |
2552 |
= |
3 |
* |
(20 |
/ |
98)
|
= |
0.6122449 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Richland Avenue Elementary
|
-5 |
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 |
30783 |
2484 |
- |
2436 |
= |
48 |
* |
(39 |
/ |
99)
|
= |
18.90909086 |
4 |
30784 |
2505 |
- |
2485 |
= |
20 |
* |
(20 |
/ |
99)
|
= |
4.04040404 |
5 |
30785 |
2507 |
- |
2528 |
= |
-21 |
* |
(28 |
/ |
99)
|
= |
-5.93939392 |
6 |
30786 |
2531 |
- |
2552 |
= |
-21 |
* |
(12 |
/ |
99)
|
= |
-2.54545454 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Richland Avenue Elementary
|
14 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-44
|
-42
|
-34
|
-5
|
14
|
-111.0 |
-22.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 52.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -97.2
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: